Pet Rabbits Can Have a Variety of Coat Colors If the F₁ of Cross Number 3 Is Selfed,what

question 18

Multiple Choice

Pet rabbits can have a variety of coat colors.Below are the results of a series of crosses performed with black-,blue-,and brown-coated pure lines. $$\begin{array} { r l l } \text { Cross } & \text { Phenotypes of parents } & F _ 1{ \text { phenotypes } } \\1.&\text {Black } \times \text { blue } & \text { All black } \\2. & \text { Black } \times \text { brown } & \text { All black } \\3.&\text { Blue } \times \text { brown } & \text { All black }\end{array}$$
If the F₁ of cross number 3 is selfed,what is the expected proportion of black kits (baby rabbits) in the offspring?

• A)25%
• B)more than 25%,but less than 50%
• C)50%
• D)more than 50%,but less than 75%
• E)75%

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