A cleft chin in humans is coded by the dominant allele C. A chin without a cleft is coded by the recessive allele c. A man with a cc allele combination for the trait produces a zygote with a woman with a Cc allele combination for the trait. Which allele combinations could occur in the zygote?
Select one:
1. CC only
2. CC or Cc
3. Cc or cc
4. Cc only
Answers: 1
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A cleft chin in humans is coded by the dominant allele C. A chin without a cleft is coded by the rec...
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