Complex sentence: The chances of an autosomal dominant disorder being inherited are 50% if one parent is heterozygous for the mutant gene and the other is homozygous for the normal, or'wild-type', gene.
Split into simpler sentences: The chances of an autosomal dominant disorder being inherited are 50%. If one parent is heterozygous for the mutant gene and the other is homozygous for the normal, or'wild-type', gene.