In Humans,having Dimples in the Cheeks Is a Dominant Trait

question 98

Multiple Choice

In humans,having dimples in the cheeks is a dominant trait.If a child has dimples but only one of her parents does,what are the genotypes of her parents? (D = dimples;d = no dimples)

• A)One parent dd,other parent DD
• B)One parent dd,other parent Dd
• C)One parent Dd,other parent DD
• D)One parent must be DD,the other parent could be either dd or Dd
• E)One parent must be dd,the other parent could be either Dd or DD

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Closed-shop

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