You have a henfeathered male and you want to determine wheth
You have a hen-feathered male and you want to determine whether it is heterozygous (HhZZ) or homozygous (HHZZ). Which of the following mating outcomes would allow you to conclude that you have a heterozygous hen-feathered male?
A. Mate with HhZW female and get a hen-feathered:cock-feathered ratio of 3:1 in males
B. Mate with HhZW femalte and get 100% hen-feathered female offspring
C. Mate with HhZW female and get a hen-feathered:cock-feathered ratio of 1:1 in males
D. Mate with hhZW female and get a hen-feathered:cock-feathered ratio of 3:1 in males
Solution
Answer is A & B: Mate with HhZW female and get hen feathered:cock feathered ratio 3:1 in males
Mate with HhZW female and get 100% hen feathersed females offspring
HHZZ
(hen feather male)
HHZW
(hen feather female)
HhZZ
(Hen feather male)
HHZW
(hen feather female)
HhZZ
(hen feather female)
HhZW
(hen feather female)
hhZZ
(cock feather male)
HhZW
(hen feather female)
| HZ | HW | hZ | HW | |
| HZ | HHZZ (hen feather male) | HHZW (hen feather female) | HhZZ (Hen feather male) | HHZW (hen feather female) |
| hZ | HhZZ (hen feather female) | HhZW (hen feather female) | hhZZ (cock feather male) | HhZW (hen feather female) |
