In humans, "unattached" earlobes are dominant over "attached" earlobes. Widow's-peak hairline is dominant over non-widow's-peak hairline. Use E and e for the earlobe phenotype alleles and W and w for the hairline phenotype alleles. A woman with

unattached earlobes and a widow's peak and a man with attached earlobes and a widow's peak have a child. The child has attached earlobes and a non-widow's-peak hairline. What are the genotypes of the parents?

A) EeWw and eeWw
B) EeWw and EeWW
C) EEWW and eeww
D) EEWW and eeWw
E) EeWw and eeww


Answer: A

Biology & Microbiology

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