Question

2. In consideration of the following genetic cross: XBXb x XBY Color blindness is a recessive trait (b) and normal vision is dominant (B). If the parents above had children: a. What is the possibility of them having a son that is color blind? b. What is the possibility of them having a daughter that is color blind? c. What would the genotypes have to be in order for them to have a color blind daughter?

Answer 1

In consideration of the following genetic cross: XBXb x XBY Color blindness is a recessive trait (b) and normal vision is dominant (B) and if the parents above had children the possibility of them having a son that is color blind is 9:7 ratio.