Both Peggy and Bob are farsighted.If their child is nearsighted,then it follows that
A)both Peggy and Bob lack a gene for farsightedness.
B)only Peggy has a recessive gene for farsightedness.
C)only Bob lacks a gene for nearsightedness.
D)both Peggy and Bob have a recessive gene for nearsightedness.

Question

Quizplus · Accepted Answer

Both Peggy and Bob must carry a recessive gene for nearsightedness for their child to be nearsighted, as nearsightedness is typically a recessive trait.

Both Peggy and Bob Are Farsighted