A woman is diagnosed as having the genetic disease known as Huntington's disease. It is a rare defect caused by an autosomal dominant allele. The chance for any one of her eggs to carry the gene is

Question

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Since Huntington's disease is caused by an autosomal dominant allele, if the woman has the disease, she must have at least one copy of the dominant allele. Therefore, each of her eggs has a 50% chance of carrying the gene, independent of the sex of the child.

A Woman Is Diagnosed as Having the Genetic Disease Known