In chickens,it is the females that have two different sex chromosomes (Z and W)while the males have two Z chromosomes.A Z-linked gene controls the pattern of the feathers,with the dominant B allele causing the barred pattern and the b allele causing nonbarred feathers.From which of the following crosses would all of the daughters be of one type (barred or nonbarred)and all of the sons the other type?
A) barred females × nonbarred males
B) nonbarred females × barred males
C) nonbarred females × nonbarred males
D) barred females × barred males
E) More than one of the choices are correct.

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The Answer of In chickens,it is the females that have two different sex chromosomes (Z and W)while the males have two Z chromosomes.A Z-linked gene controls the pattern of the feathers,with the dominant B allele causing the barred pattern and the b allele causing nonbarred feathers.From which of the following crosses would all of the daughters be of one type (barred or nonbarred)and all of the sons the other type?
A) barred females × nonbarred males
B) nonbarred females × barred males
C) nonbarred females × nonbarred males
D) barred females × barred males
E) More than one of the choices are correct.

In Chickens,it Is the Females That Have Two Different Sex