Genetics questions?

All the children of a woman with curly hair and a man with straight hair have wavy hair. What type of inheritance is curly/straight/wavy hair?


A. codominance.


B. incomplete dominance.


C. epistasis.


D. polygenic inheritance.





If one of the wavy-haired children from the previous question has children with a wavy-haired spouse, what percentage of their children will have wavy hair?


A. 100%.


B. 75%.


C. 50%.


D. 25%.





Which blood type(s) is (are) possible among the offspring of a type A father and a type B mother?


A. types A and B.


B. types A, B, and AB.


C. type AB.


D. types A, B, O, and AB.





Which blood type is not possible among the offspring of a type AB father and a type A mother, whose father was type O?


A. type A.


B. type B.


C. type AB.


D. type O.

Genetics questions?
1. B


2. C


3. D (depending on their actual genotypes--the question doesn't really give you enough information to absolutely decide that)


4. D