Which of the following is true about epistasis? It contributes to the response t
ID: 42303 • Letter: W
Question
Which of the following is true about epistasis?
It contributes to the response to selection
It occurs when an allele at a single locus affects many different phenotypic traits
It does not contribute to the response to selection
It occurs when alleles at multiple loci affect a single phenotypic trait
A and B
C and D
None of the above
a.It contributes to the response to selection
b.It occurs when an allele at a single locus affects many different phenotypic traits
c.It does not contribute to the response to selection
d.It occurs when alleles at multiple loci affect a single phenotypic trait
e.A and B
f.C and D
g.None of the above
Explanation / Answer
Epistasis does not contribute to the response to selection; and it occurs when alleles at multiple loci affect a single phenotypic trait.
Hence, the correct option is f. C and D
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