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

question 37

Multiple Choice

Two linked genes, (A) and (B) , are separated by 18 m.u. 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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Definitions:

Thaddeus Stevens

A nineteenth-century U.S. politician and fierce advocate for abolition and civil rights, particularly known for his role in shaping Reconstruction policies.

Ambitious Aims

Goals or objectives that are challenging and require considerable effort or determination to achieve.

Reconstruction Act

1867 law that established temporary military governments in ten Confederate states—excepting Tennessee—and required that the states ratify the Fourteenth Amendment and permit freedmen to vote.

Black Men's Voting

Pertains to the historical and contemporary issues surrounding African American men's right to vote, including barriers to voter registration, disenfranchisement, and the impact of legislation meant to protect or restrict this right.