Multiple Choice
Comparisons of traits in identical and fraternal twins are useful because they:
A) allow estimates of the number of genes affecting a complex trait.
B) reveal the extent of genotype-by-environment interaction in causing phenotypic variation.
C) reveal the relative importance of genes and environment in causing phenotypic variation.
D) None of the answer options is correct.
Correct Answer:
Verified
Correct Answer:
Verified
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