In cocker spaniels, black coat color (B) is dominant
over red (b), and solid color (S) is dominant over
spotted (s). In the F2 generation of a cross between
BB ss with bb SS, what fraction of the offspring are
expected to be black and spotted?
a. 1/16
b. 9/16
c. 1/9
d. 3/16
e. 3/4
Answer: d
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