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A student notes that an individual has attached earlobes, a recessive trait in humans. A cell is taken from this individual, and the alleles for the trait are isolated. What is the probability that one of the alleles was inherited from the individual's mother?

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Thckumms

One factor must be dominant and one factor recessive in each individual. attached earlobes (ee). A couple both have unattached earlobes. Both notice that one of their parents on both sides has attached earlobes (ee). Therefore, they correctly assume that they are carriers for attached earlobes (Ee).

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