\"The sex chromosomes in birds are designated Z and W, and the male is the homom
ID: 89112 • Letter: #
Question
"The sex chromosomes in birds are designated Z and W, and the male is the homomorphic sex (ZZ) and the female heteromorphic (ZW"; Stevens. 1997).
Grant finds out that dilute homing pigeons sell for even more than slate pigeons. Dilute pigeons are “true” silver. Dilute is a sex-linked recessive trait (z-linked, represented by q). Grant decides to mate his smartest bird, Keith who is not silver (or a carrier), with his silver bird, Meredith.
What is Keith’s genotype?
ZqW
ZW
ZqZq
a.ZqW
b.ZW
c.ZqZq
d. ZZ Male Z Z Sperm Possible Offspring Eggs FemaleExplanation / Answer
Answer:
b. ZW
Explanation:
ZZ(Keith, Non silver) & ZqZq (Meredith, Silver)
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