1. For each question, use allele symbols and text to explain your answer. A. Is it possible for a man with type A blood to have a child with type B? B. Is it possible for a woman with type O blood to have a child with type A? C. Is it possible for a man with type O blood to have a child with type AB? D. Is it possible for a person with AB blood to have a full sibling with type O?
1. For each question, use allele symbols and text to explain your answer.
A. Is it possible for a man with type A blood to have a child with type B?
B. Is it possible for a woman with type O blood to have a child with type A?
C. Is it possible for a man with type O blood to have a child with type AB?
D. Is it possible for a person with AB blood to have a full sibling with type O?
2. In a strain of chickens, there are birds with white, black, or blue feathers.
In crosses between ten white hens and ten blue roosters, there are 100 offspring:
24 hens with blue feathers, 26 roosters with blue feathers, 23 hens with white feathers, 27 roosters with white feathers. When crossing blue hens and white roosters, there are 100 offspring: 25 hens with blue feathers, 25 roosters with blue feathers, 26 hens with white feathers, 24 roosters with white feathers.
A. Using allele symbols, create a plausible explanation for these traits. Why is this trait not sex-linked?
When crossing ten black roosters and ten white hens, you observe 100 offspring:
51 hens with blue feathers, 49 roosters with blue feathers. When crossing white roosters and black hens, you observe 100 offspring: 50 hens with blue feathers, 50 roosters with blue feathers
B. Use allele symbols to create a plausible explanation for these traits.
C. Using evidence of all crosses, what would you predict if you crossed a blue hen and a blue rooster? What phenomenon is being observed here?
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