Multiple Choice
In a polygenic trait
A) all genes contribute equally.
B) within genes, all alleles affect the phenotype to the same degree.
C) all alleles are dominant.
D) genes contribute to varying degrees, and alleles have differing degrees of impact.
E) one gene can cancel out the effect of the environment.
Correct Answer:
Verified
Correct Answer:
Verified
Q4: People with very light skin have _<br>A)
Q5: Traditional ways of evaluating multifactorial traits include<br>A)
Q6: The DNA of dizygotic twins is<br>A) identical
Q7: The proportion of shared genes between a
Q8: An assumption of twin studies is that<br>A)
Q10: The term "oligogenic disorder" refers to<br>A) a
Q11: DNA sequences that contribute to polygenic traits
Q12: A major distinction of genome-wide association studies,compared
Q13: To date,the most informative studies on how
Q14: A cohort study looks at<br>A) a large