Two Linked Genes, (A)and (B), Are Separated by 18 CM

question 56

Multiple Choice

Two linked genes, (A) and (B) , are separated by 18 cM.A man with genotype Aa Bb marries a woman who is aa bb.The man's father was AA BB.What is the probability that their first two children will both be ab/ab?

• A)0)168
• B)0)0081
• C)0)032
• D)0)062
• E)0)13

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