1. Biology

    Meiosis Lab First, review MITOSIS by labeling the PHASES of the cells in the onion root picture below? ( 1-18) I already have 1-4,11,14,16 and 17 filled in. here's the phase terms(can be used more than once): interphase, prophase, metaphase, anaphase, and
  2. 7th Grade Science About Mitosis & Meiosis

    Hello, I really need help about mitosis and meiosis. So in my project, it asks me to explain three differences between mitosis and meiosis. I only have one difference and this is what I wrote: Mitosis-A type of cell division in which daughter cells are
  3. life science

    Explanation of why the process of mitosis and meiosis are both important to a living organism. When would an organism need to undergo the process of mitosis? When would an organism need to undergo the process of meiosis? What would happen if meiosis did
  4. biology

    On average, what percentage of the cells in an onion root tip are in each of the different phases of the cell cycle? This question is for the purpose of checking lab data.
  5. biology 5

    which of the following is correct? A. mitosis results in 4 identical daughter cells B. meiosis is used for the production of gametes C. cells go through two series of divisions in mitosis D. daughter cells produced by meiosis contain the same number of
  6. science

    1) What is the purpose of DNA? A) manufactures proteins B) reduces activation energy C) stores hereditary information D) to aid in facilitated diffusion 2) What process accounts for species diversity? A) mitosis B) meiosis C) predation D) symbiosis 3)
  7. Advance Biology

    Compare mitosis and meiosis by completeing the chart. Mitosis- Meiosis-homologous chromosomes pair and then separate Mitosis- Meiosis-needed for sexual reproduction
  8. bio

    Haploid (1n) cells are produced at the end of ___.CHOOSE ALL THAT APPLY A. meiosis 2 B.mitosis C.meiosis D.meiosis 1 I picked A, and D Am I missing one? I think I am
  9. science-SCI/230

    This is my first time using Jishka. Well, registering and using the site. I have checked the site when researching class topics we are learning. I don’t think I really have a question but I am looking for clarity of something for class. I just want to
  10. Biology

    Which of the following would be the most sigificant between mitosis and meiosis? A. Chromosomes are duplicated before mitosis B. Meiosis is not followed by cytokinesis C. Homologous Pairs of chromosomes are split up in meiosis. D. Crossing over occurs in
  11. Biology

    I had to observe slides of onion root tip to study plant mitosis. And the question I have to answer asks,if your observations had not been restricted to the area of the root tip that is actively dividing, how would your results have been different? I
  12. Bio

    What would happen to the chromosome number if there were no meiosis in the formation of gametes? Why cells undergoing mitosis require one set of division but cells undergoing meiosis need two sets of divisions?
  13. Biology

    38. Mitosis and meiosis are two different ways cells divide. They both share common characteristics and processes, but differ in some very important ways. a. What are the end products of the two processes? How do they differ from the original or "parent"
  14. bio

    Alternation of generations is defined as the switching back and forth between the production of: a. cells by mitosis and meiosis b. asexual and sexual reproductive cells c. gametophytes and saprophytes d. diploid and haploid cells MY ANSWER "A"
  15. 7th Grade Science Regents - Homework Check!

    15. Which type of reproduction leads to daugther cells that are identical to the parent cell? Cloning? My Answer: Asexual Reporduction 16. Is this process called mitosis or meiosis? My Answer (that I think): Mitosis 17. Which type leads to a mix of genetic
  16. Science

    A cell starts with 12 chromosomes, then goes through mitosis. How many cells are produced at the end of mitosis? How many chromosomes are in each of the cells at the end of mitoses? A cell starts with 12 chromosomes, then goes through meiosis. How many
  17. Science 7R

    15. Which type of reproduction leads to daugther cells that are identical to the parent cell? Cloning? My Answer: Asexual Reporduction 16. Is this process called mitosis or meiosis? My Answer (that I think): Mitosis 17. Which type leads to a mix of genetic
  18. Science

    The process in which the chromosomes in sex cells are reduced by half is called Answer choicesalleles, chromosome, incomplete dominance, mitosis, codominance, centromere, DNA, diploid, reproduce, phenotype, meiosis, RNA Is the asnwer mitosis?
  19. Science

    why is the process of mitosis and meiosis important to a living organism? when would an organism need to undergo the process of mitosis?meiosis? what would happen if meiosis did not occur? any links or ideas?
  20. Science

    why is the process of mitosis and meiosis important to a living organism? when would an organism need to undergo the process of mitosis?meiosis? what would happen if meiosis did not occur? any links or ideas?
  21. science

    "Reproductive cells and somatic cells are not separated early in development, as they are in animals。 Instead, plant somatic cells that have undergone many rounds of mitosis can undergo meiosis and produce gametes." This is said in my notes under
  22. science

    What is the diffrence bettween mitosis and meiosis in plant and animal cells?
  23. biology 12

    is there chromosome replication in mitosis? i know theres one in meiosis, im just not sure for mitosis. Yes See: http://www.uic.edu/classes/bios/bios100/lecturesf04am/lect16.htm and scroll down to: Mitosis in a Nutshell
  24. biology

    i need help with the phases of meiosis with the number of cells present in each phase, and the homologus pairs per cell
  25. Science

    A mutation in a gene that controls mitosis in cells may cause? A. Cancer B. Cystic fibrosis C. Albinism D. Meiosis. Is the answer B? Thanks
  26. science

    The process that creates cells with different genetic combinations is a. asexual reproduction b. mitosis c. cell fission d. meiosis i believe its d?
  27. LiViNgEnViRoNmEnT

    A while back, I posted a question about mitosis and meiosis, but I didn't bookmark it and now I can't find it. That's why I'm asking again: How many chromosomes do you start out with and end with in meiosis? In mitosis, you start with one parent with 4
  28. Science

    1. How does plant cell mitosis differ from animal cell mitosis? A) Plant cell mitosis is much faster B) Plant cells do not undergo mitosis C) Plant cells have rigid cell walls making it difficult to pinch in D) Plant cells pitch in and animal cells do not
  29. Biology

    38. Mitosis and meiosis are the two different ways cells divide. They both share common characteristics and processes, but differ in some very important ways. I answered part A and B of this, but I need help with C: c. Why is it important for chromosomal
  30. Biology 101

    What are the factors that cause cells to reproduce in mitosis and meiosis depends on the cells. there's a huge difference between a livwr cell, nerve cell, and a bacterial cell. probably your instructor is looking for answers like: growth, food supply
  31. 7th grade science Ms. Sue please

    1. What steps in meiosis are similar to steps of mitosis? (1 point) meiosis I prophase meiosis I anaphase meiosis I metaphase all of the above 2. A cell that has two of every kind of chromosome is _____. (1 point) haploid diploid an egg a sperm 3. Haploid
  32. Science 7R

    What are 2 types of cell division? Meiosis- cell division that produces gametes or sex cells for reproduction Mitosis- cell division that produces identical, "daughter" cells for things like skin regeneration or replacing dead cells. Am I correct?
  33. Science

    Can someone tell me if I answered my question correctly? During the cell cycle when does DNA replication take place? During interphase and the DNA synthesis separates the eukaryotic cells into four phases. Gap 1 phase is the intervals between mitosis and
  34. Biology

    Why is it important that cells produced after meiosis be diverse? My answer: Meiosis is involved it the formation of gametes, so if the cells produces were not different, then everyone would be identical. Is this correct? @Mrs. Sue? someone? Thank you! :)
  35. biology

    Need Help with these questions If one strand of DNA, had bases ordered ATCCGTC, what would be the bases of its other strand? Compare and contrast mitosis and meiosis as to: number of divisions, number of cells produced, number of chromosomes in parent
  36. biology

    need help If one strand of DNA, had bases ordered ATCCGTC, what would be the bases of its other strand? Compare and contrast mitosis and meiosis as to: number of divisions, number of cells produced, number of chromosomes in parent cells and in gametes.
  37. Life Science

    Why is the process of mitosis and meiosis both important to a living organism.What would happen if meiosis did not occur?
  38. Biology

    Please check my answer: Which of the following statement is not true? 1). Mitosis produces new nuclei with exactly the same chromosomal endowment as the parent nucleus. 2). Mitosis may occur without cytokinesis 3). Mitosis and cytokinesis are required for
  39. Biology

    (1)How are the processes and end products of mitosis and meiosis similar? (2) How are the processes and end proucts of mitosis and meiosis different?
  40. BIOLOGY

    Which of the following statements is NOT true about gamete formation in mammals? a)In the female, the separation of cytoplasm is unequal during meiosis. b)Only one of the four cells resulting from meiosis goes on to become an oocyte. c)Only one of the four
  41. biology

    Explain how alignment of chromosomes on the meta phase plate differs in mitosis, meiosis I, and meiosis II. Why are these arrangements important? Can you tell me where zi can find this information? I don't see it in my text. Thank you
  42. Science Help

    I am very confused on what I am supposed to do. I have to make a powerpoint about all the steps of mitosis and meiosis in order and explain how they replace old or broken cells. I don't know the steps or if there are four steps or five. Please help!
  43. Biology

    In anaphase of mitosis, the sister chromatids are separated and pulled to the poles. How do these chromatids, which are only half of a duplicated chromosome, become chromosomes? As I understand it, mitosis produces daughter cells that are identical to the
  44. biology

    3. In what cells do meiosis and mitosis take place? 4. If one strand of DNA, had bases ordered ATCCGTC, what would be the bases of its other strand?
  45. biology

    in addition to the above a labelled diagram is also required to show the product cells derived from this cell at the telophase 2 stage of meiosis.there is no crossng over.what differences would there be in the product cells at telophase 2 of meiosis if
  46. science

    Mitosis: Number of chromosomes in cells production Meiosis: Number of chromosomes in cells production.
  47. Science

    For an organism that has a diploid number of chromosomes of 12, give the number of chromosome/chromatid copies at the end of the following cell-cycle phases: a) G2 phase b) Meiosis I metaphase c) Meiosis II telophase
  48. Biology

    A student claims the probability a human sperm will receive all chromatids of maternal origin is 50 %. Explain why she is wrong. Are the following true or false and support your answer: i. Red blood cells and nerve cells in adult humans are suitable for
  49. Ag Bio

    I'm stuck on a few questions. If you can just answer what you can- 25. Describe the role of an operon in a prokaryotic cell, and give an example of how an operon works. 31. The word transcribe means "to write out," and the word translate means "to express
  50. Biology

    The creation of sex cells occurs in meiosis. Explain what happens when a new organism is created and life begins. Answer: meiosis is a process of cell division that produces sex cells, or gametes. Gametes are reproductive cells such as the sperm and egg.
  51. Science

    Model and explain the steps of Mitosis and Meiosis. Explain the difference between the two. Identify the process on how organisms grow old and replace old or damaged cells Identify the process for sexual reproduction why is it necessary and how does it
  52. Science

    Model and explain the steps of Mitosis and Meiosis. Explain the difference between the two. Identify the process on how organisms grow old and replace old or damaged cells Identify the process for sexual reproduction why is it necessary and how does it
  53. biology

    In mitosis, what is the size of a daughter cell relative to the size of the parent cell? If an onion cell has 10 chromosomes, how many double chromosomes does an onion cell have at the start of metaphase? Thanks!
  54. Bilogy

    explain why the process of mitosis and meiosis are both important to living organisms. When would an organism need to undergo the process of mitosis? Meisos? What would happen if meisos did not occur?
  55. Biology

    In mitosis, if a cell has 4 chromosomes in prophase, how many chromosomes will this cell have in metaphase? a. 64 b. 32 c. 16 d. 8 e. 4 If a cell has 20 chromosomes in G1, how many chromatids will be present during prophase? a. 30 b. 20 c. 5 d. 40 Which of
  56. biology

    Which process occurs in fungi and has the opposite effect on a cell's chromosome number than does meiosis I? karyogamy mitosis plasmogamy crossing-over binary fission I know that it is not mitosis. And I don't think that it is crossing-over. I was thinking
  57. evolutionary standpoint

    speaking from an evolutionary standpoint, would you say mitosis preceded meiosis or meiosis preceded mitosis or synapse preceded cell division or cell division preceded synapse.
  58. bio!

    how does the process of crossing over results in genetic variability in an organism due to meiotic cell division? crossing over is when the homologous chromosomes pair up on the metaphase plate during meiosis 1, the homologous chromosomes swap short bits
  59. science help asap!!!

    Hi, can someone check my answers asap!!? i am on a deadline!! 1. What doe the notation TT mean to geneticists? (1 point) two dominant alleles heterozygous alleles at least one dominant allele one dominant and one recessive allele 2. An organisms genotype
  60. bio

    T or F? stem cells in the bone marrow can produce more than a dozen types of blood cells, replacing those lost due to normal wear and tear. T or F? only eukaryotic cells undergo true mitosis.
  61. Biology

    I need to illustrate a cell starting out with 3 chromosomes each, it replicating, and in the end, having 4 cells. (Meiosis). Could someone explain it to me, please? easy go on internet/google, type in meiosis search for pic, theyshow you the steps
  62. biology /check please

    1-What phase are daughter cells in as a result of mitosis? -Anaphase 2- During what phase of mitosis do centromeres divide and the chromosone-mes move toward their respective poles? -prophase 3- Wchich phase of mitosis is the last phase that chromatids are
  63. Biology

    A farmer grew only one type of onion. All of the onion plants died from the same disease. What can be said of this onion plant population. A. Only few plants were resistant to the disease B. All of the onion plants were resistant to the disease. C. The
  64. biology

    what are the differences between mitosis and meiosis!?
  65. Science

    What is similarity between meiosis and mitosis.
  66. Sciene

    Is meiosis actually mitosis happening twice? Why might some people say this?
  67. science

    Does asexual reproduction use meiosis or mitosis?why?
  68. science

    What are the similarities and differences between mitosis and meiosis?
  69. Special Education

    The labeling of students with disabilities is a controversial issue. List five beneficial reasons for labeling and five detrimental aspects of labeling.
  70. 6th grade science

    what are the four phases of mitosis??? -------,-------,-------,-------
  71. biology

    when would and organism need to undergo the process of mitosis and meiosis?
  72. biology

    please explain complete process of mitosis and meiosis?
  73. Life Science

    When would an organism need to undergo the process of mitosis? Meiosis?
  74. BiO

    I am comfused about meiosis and mitosis. First of all, both are forms of asexual reproduction, right? I know that in mitosis, you end up with two offspring. In meiosis, you end up with four. I don't get the part about the chromosomes. If you start out with
  75. science

    how are onion cells different from animal cells
  76. biology

    How does mitosis in plant cells differ from that in animal cells? A. Animal cells lack a cell plate. B. Plant cells lack centrioles. C. Plant cells lack spindle fibers. D. Animal cells lack cytokinesis. I chose b but I got it wrong please help....
  77. Biochem

    I can't figure out the correct answer for this, please help. The drosophila embryo goes through a series of mitotic divisions before cytokinesis occurs. This demostrates one of the following. 1: cytokinesis is inextricably associated with mitosis 2.
  78. Biology

    In what way are the newly formed cells, which result from mitosis, similar to the mother cell? How are the new cells different?
  79. biology

    why is the process of mitosis and meiosis both important to living organism?
  80. Biology

    Explain why mitosis can occur in a haploid cell, but meiosis can’t.
  81. science

    connexus academy make a project about Mitosis and Meiosis
  82. Biology

    Explain why mitosis can occur in a haploid cell, but meiosis can’t.
  83. Sci230

    Why are the processes of mitosis and meiosis both important to a living organism?
  84. meiosis and mitosis

    What are the similarities and differences between mitosis and meiosis? To help you answer the question,
  85. Mathematics

    A rare bacterial culture is being grown in a lab. As time passes, the cells multiply in a specific pattern.After 1 day, there is only 1 cell.After 2 days, there are 8 cells.After 3 days, there are 18 cells.After 4 days, there are 31 cells.How many cells
  86. Sciene

    Is Meiosis actually Mitosis happening twice? My answer- Yes because they are both a cell division process.
  87. Biology/help please

    1) What phase are daughter cells in as a result of mitosis? answer: Anaphase 2)During what phase of mitosis do centromeres divide and the chromosomes move toward of their respective poles? answer: prophase 3)Which phase of mitosis is the last phase that
  88. biology

    1) What phase are daughter cells in as a result of mitosis? answer: Anaphase 2)During what phase of mitosis do centromeres divide and the chromosomes move toward of their respective poles? answer: prophase 3)Which phase of mitosis is the last phase that
  89. biology can someone check

    1) What phase are daughter cells in as a result of mitosis? answer: Anaphase 2)During what phase of mitosis do centromeres divide and the chromosomes move toward of their respective poles? answer: prophase 3)Which phase of mitosis is the last phase that
  90. BIOLOGY

    1) What phase are daughter cells in as a result of mitosis? answer: Anaphase 2)During what phase of mitosis do centromeres divide and the chromosomes move toward of their respective poles? answer: prophase 3)Which phase of mitosis is the last phase that
  91. biology

    1) What phase are daughter cells in as a result of mitosis? answer: Anaphase 2)During what phase of mitosis do centromeres divide and the chromosomes move toward of their respective poles? answer: prophase 3)Which phase of mitosis is the last phase that
  92. biology

    Which phases are exactly the same for both the Cell Cycle and Meiosis? Can someone please help me with this and explain this to me? Thank you :)
  93. biology

    Which phases are exactly the same for both the Cell Cycle and Meiosis? Can someone please help me with this and explain this to me? Thank you :)
  94. Biology

    1. Why are cells from a blastula used to examine mitosis? 2. How fast do you think cells divide when an embryo is developing compared to the normal growth of an animal?
  95. Biology/Science

    Which of the following processes produces haploid gametes? A. Meiosis B. Fertilization C. Mitosis D. Invagination I think A
  96. Biology

    Could you please help me with this question? Explain why DNA replication is a necessary step before mitosis or meiosis can occur. Thanks
  97. Science

    2. A gamete cell is produced through which process? A.osmosis B.mitosis C.meiosis D.respiration
  98. science

    The somatic cells of a dog contain 78 chromosomes. Which of these is false? a) the diploid number is 78 b)the haploid number is 39 c) sperm produced by a dog contains 39 chromosomes d) a cell in metaphase of mitosis contains 78 chromosomes e) a cell in
  99. mitosis meiosis

    Does anyone here know of any general reference sources that cover mitosis and meiosis well and yet are comprehensible for the layperson to read?
  100. Biology

    Why is plant cells different from animal cells during mitosis?