Attached Earlobes Are Recessive to Free Earlobes

question 28

Multiple Choice

Attached earlobes are recessive to free earlobes. What genotypic ratio is expected when an individual with attached earlobes mates with an individual heterozygous for free earlobes?

• A)2:1
• B)1:1
• C)1:2:1
• D)3:1

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