Both Peggy and Bob Are Farsighted

question 81

Multiple Choice

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.