In an autosomal dominant disorder such as Huntington's, two heterozygous parents have the probability of passing the gene on to ____ percent of their children.

Question

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Each child has a 75% chance of inheriting at least one dominant allele from heterozygous parents, as there are three possible combinations (AA, Aa, Aa) out of four (AA, Aa, Aa, aa) that result in the disorder.

In an Autosomal Dominant Disorder Such as Huntington's, Two Heterozygous