Number of results: 383
7th G science
What is/are the main factor(s) that determine(s) the height of a plant (genetics, environment, or both)? Explain your answer. I think that only genetics play a role but I am not sure.
January 29, 2017 by softball lover
Discuss the merits of the idea that genetics are a source for criminal behavior. Make sure to provide examples that can be found through research studies and have evidence linking genetics and crime, including twin studies, adoption studies, and testosterone studies. What are ...
September 8, 2013 by Danita
A homozygous pea plant with round peas and yellow cotyledons was crossed to a wrinkled, green plant. The F1 was selfed and produced: 193 round, yellow 69 round, green 64 wrinkled, yellow 26 wrinkled, green a) propose hypothesis that allows you to calculate expected values ...
September 2, 2011 by Tommy
need help with these genetics problems. please help with what you can. thanks: Given that loci A and B in Drosophila are sex-linked and 20 map units apart, what phenotypic frequencies would you expect in male and female offspring resulting from the following crosses? (Assume A...
September 24, 2007 by stew
CAN SOMEONE REVIEW MY ANSWERS AND TELL ME IF THIS IS CORRECT? Why is it flawed to ask how much of a particular behavior is due to genetics and how much is due to experience? It is inconsistent to think that behaviors are solely due to our genetic make-up. When it comes to our ...
January 30, 2009 by SinnerSaved
Please help me with science genetics questions? Thanks to all who answer. :) 1. Chromosome pairs contain different versions of genes, which are called ________. 2. The process in which body cells are duplicated in order to grow and repair body tissues is called _____________. ...
March 10, 2014 by Hannah
Are an organism's characteristics determined only by its genes? Explain. Yes, an organism's characteristics are determined only by It's genes becuase the parents give their offspring genes which determines their characteristics. Is my answer correct? Do I need to expand on ...
February 25, 2007 by franny
Please Help Me :( Science: Biology, Genetics!
Please help me with science genetics questions? Thanks to all who answer!! :) 1. Chromosome pairs contain different versions of genes, which are called ________. 2. The process in which body cells are duplicated in order to grow and repair body tissues is called _____________...
March 10, 2014 by Hannah
What are the advatages of Eukaryotic genes splitting up? I'm not so sure how to approach the question, is it something to do with exons & introns or the nucleotide sequences?
October 7, 2008 by Claire
My bad! I put the wrong question! Here we go, the shortened one! ~~~~~~~~~~~~~~ How do nucleotides and hydrogen bonds affect the structure of DNA. ~~~~~~~~~~~~~~
December 2, 2015 by Derpy Pegasus
1. How is sex expressed at the chromosomal, gonadal, phenotypic, and gender identity levels? How do genes in the pseudoautosomal region of the Y chromosome differ from X-Y homologs?
January 14, 2015 by shala hampton
Question: Calculate the frequency of the AA, Aa, and aa genotypes after one generation if the initial population consists of 0.2 AA, 0.6 Aa, and 0.2 aa. What I have done is: P = (0.2)+(0.5)(0.6)= 0.50 q = 1-p = 1 - 0.50 = 0.50 Can someone check my answer plz.
December 6, 2006 by Josh
Given the gene sequence ABCDE, crossing over should occur most frequently between_____. a. A-B b.) B-C c.) A-E d.) A-D e.) A-C PLEASE explain how you got the answer thanks!
October 26, 2013 by nini
1) Do you know if the nucleotide sequence of a mutation tell you anything about its dominance or recessiveness? 2) Do you know the role that Ras play in the signal transduction pathway that makes it an oncogene?
November 4, 2011 by Bobby
Using D for tall plants and d for dwarf plants, a 1:1 ratio is obtained in which of the following crosses? These are my choices: Dd X dd DD X dd DD X Dd DD X DD Dd X Dd
September 29, 2013 by Julie
Bio- Genetics Quest.
A freind of yours brings up the idea that, if a person's gene were all identified and sequenced, he would be able to tell everything about that person: what they look like, how they might act, even how they will progess in life, and how long they would likely live. Is this ...
April 22, 2007 by Richard
Can anyone help me with Genetics? I have some problems and answers and need them explained to me. Here are some of the questions and answers: 1. Assume that a dihybrid cross is made in which the genes' loci are autosomal, independantly assorting, and incompletely dominant. How...
September 8, 2007 by frank
Studies on the development of sexual orientation highlight the importance of A.genetics B. environment C. prenatal hormones D. multiple factors I said A the enviroment, Now thinking its D
August 26, 2010 by Anonymous 2
1.Identify a typical developmental milestone for a person at a specific stage and explain how achievement of this milestone might be impacted by genetics and environment.
May 26, 2012 by Anonymous
What are three sources of emobroyonic stem cells and how are they obtained from each? This is what I have so far: 1. Blasocyst of an embyro 2. Embilical cord of a baby 3. ? I don't understand how to explain how to obtain them. Don't you just remove them?
November 3, 2008 by Lena
School advice please
What medical research field is in more demand? If I want to get a masters, what would you recommend me taking in undergrad between physiology, biochemistry, genetics, neuroscience or biotechnology?
July 21, 2009 by Alex
i have a diploid cell with 3 pairs of homologous chromosomes A1,A2,B1,B2,C1,C2 with no crossing over. will my daughter cells after mitosis just be [A1,B1,C1] and [A2,B2,C2] or will there be a mix between the 1's and 2's creating more varieties?
September 27, 2013 by Anonymous
A 50 year old male who is not overweight and has normal blood cholesterol levels suffers a heart attack. Propose a possible explanation i think the answer would be genetics...
October 1, 2014 by Sam
starting with 1000 copies of a template, 35 cycles of PCR were performed. What is the theoretical yield of copies of double stranded product of this amplification reaction?
November 27, 2012 by Josh G.
Phenylketonuria is a metabolic disease of humans that results from an autosomal recessive gene. If the frequency of phenylketonurics in the population is 9/10,000, what is the probability that two normal individuals will produce a diseased child?
November 13, 2008 by Keira
THE ABILITY TO SOLVE ABSTRACT PROBLEMS SUCH AS THOSE FOUND IN ALGEBRA AND HIGHER MATHEMATIC IS INFLUENCED BY BOTH DEVELOPMENT AND A)GENETICS B)SOCIETAL FACTORS C)HEALTH D)COGNITIVE STYLE
July 11, 2010 by fred
The ability to solve abstact problems such as those found in algebra and higher mathematics is influenced by devdlopment and A. genetics B. societal factors C. health D. cognitive style
August 25, 2010 by Anonymous
Describe the inheritance and expression of cystic fibrosis, Tay-Sachs disease and sickle-cell anemia. I didn't understand what the question meant by "expression." Please help!
February 24, 2008 by Anonymous
I have a quiz on genetics on friday in AP Biology and I would like some sites with good ap biology questions on them. I don't know any of them which I could go to.
December 3, 2008 by Roger
how does the existence of cells, organelles, cellular reproduction, natural selection, DNA replication, transcription, translation, heredity, genetics, mutations, and taxonomy provide evidence that supports the theory of evolution?
June 15, 2008 by Aneesah
How is personality developed? What roles do genetics and environment play in personality development? How do experiences influence personality? How is a person motivated?
April 27, 2010 by Mike
In a population where 8% of the men are red-green colour blind, what are the expected proportions of genotypes for the males and females? (Assume the trait does not affect survival or fertility.)
November 13, 2008 by lianne
Recombination frequencies a. arise from completely random genetic exchange. b. are the same for all genes. c. decrease with distance. d. are the same for cis and trans heterozygotes.
March 18, 2010 by Sonya
How do the nucleotides affect the DNA? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ This question had two parts but I already the the first part and half of the second, so could you help me with this last part? Thanks in advanced, Derpy Pegasus
December 2, 2015 by Derpy Pegasus
Consider the cross AaBbCcddEe X AABBccDDEe. If these 5 allele pairs all assort independently, then the probability that any individual offspring will have the genotype AaBBCcDdEE is 1 out of???
October 31, 2014 by Pre-med student