science help asap!!!

posted by TTR+S<3

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 is (1 point)
its physical appearance
its combanation of alleles
the mutations it inherits
the crossing over that occurs during meiosis

3. An organisms phenotype is (1 point)
its physical appearance
its combanation of alleles
the mutations it inherits
the crossing over that occurs during meiosis

4. What occurs during meiosis that does not occur during mitosis? (1 point)
chromosomes are passed to offspring
a cell divides in half
the chromosomes number is divided in half
two sex cells combine

5. What is the probability of two tall pea plants, heterozygous for the tall allele, producing a short pea plant?
(1 point)
75%
50%
25%
0%

6. A plant with dark-purple flowers and a plant with white flowers are crossed. All of the offspring have lavender flowers. The alleles for the flower color in this plant are (1 point)
both dominant
both recessive
codominant
incompletetely dominant

7. A plant with dark-red flowers and a plant with white flowers are crossed. All of the offspring have dark red flowers wit white spots. The alleles for the flower color in this plant are (1 point)
both dominant
both recessive
codominant
incompletetely dominant

8. Scientists believe that cancer occurs when (1 point)
cells stop dividing
DNA is damaged and cells grow out of control
body cells begin going through meiosis
cells cannot replicate their DNA

9. The order of the bases along a gene determines (1 point)
the structure of a carbohydrate
the structure of a protein
how DNA is passed down to offspring
how chromosomes are arranged in the nucleus

10. What does messenger RNA do during protein synthesis? (1 point)
copies the coded message from the DNA and carries it into the cytoplasm
copies the coded message from the DNA and carries it into the nucleus
carries amino acids and adds them to the growing protein
copies the coded message from the protein and carries it into the nucleus

11. What is a change in the sequence of DNA base pairs called? (1 point)
an allele
a mutation
mitosis
meiosis

12. A trait is controlled by multiple genes is called (1 point)
polygenic
incompletely dominant
codominant
Mendalian

13. In asexual reproduction, the offspring are (1 point)
not capable of dividing
formed by the fusing of sex cells
genetically identical to their parent
produced by meiosis

My Answers:
A
B
A
C
A
D
C
B
B
A
B
A
C

help asap!!!

  1. TTR+S<3

    nevermind, i got everything right but number 5, it was 25%

  2. kksuderdijq

    thanks

  3. Help PLEASE

    thank you do much!!

  4. .....

    Everything is correct except number 5... it is 25%!! I just took the test.

  5. Mee

    We go to the same school

  6. joey

    hey thx guyz tis really helped me out:)

  7. Yuno Gasai

    A
    B
    A
    C
    C
    D
    C
    B
    B
    A
    B
    A
    C

    100% gaureenteed

  8. Helping you

    Yuno gasai is 100% good luck students

  9. Yoyo

    100% correct

  10. alex

    its
    a
    b
    a
    c
    c
    d
    c
    b
    b
    a
    b
    a
    c

  11. Lucy

    thx so much for the help I got a 100%

  12. sabbie.pinkie

    yes, Yuno Gasai is 100 percent correct. I just took the quiz.

  13. Anonymous

    thank you alex and yuno gasia i got a 100%

  14. Anonymous

    This it one 100% for CCA, ON MY LIFE, you will get 100%.
    A
    B
    A
    C
    C
    D
    C
    B
    B
    A
    B
    A
    C
    Hope this helps!!!!!
    100%

  15. taehyung

    r u like TT

  16. bts

    wut

  17. Anonymous

    thanks 100%

  18. Isaac

    Thanks 100%

  19. blah

    10000000000% thnks

  20. Did you realize you can have up to 100 characters in your name? Well, now you know and I've used it.

    Hgify97t68a7ivdgsjhfidugskdbhjzfsgvyjhx j,vsioowgivsklsfisvdkbwguhi9qfwYESusioedufieofuhvjcn cjcbhsdhhidhbdsidjbdjjvbidjhuishccdchisk cgdusidcj

  21. YOOOO I LOVE KPOP TAEHYUNG IS BAE

    YOU BETTER LOVE KPOP OR I'LL PULL YOUR HEART OUT!!!!!!!!!!!!!!!!!!

  22. Hannah

    I'm like TT!! I love Twice!

  23. Helper

    Thanks person who created this question! You are a risk-taker!(Good thing)

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