Achondroplasia (dwarfism) is an autosomal dominant disorder, where individuals homozygous for the mutant allele do not survive
1) if a woman with achondroplasia marries a man of normal height, what proportion of their offspring is expected have achondroplasia?
2) if a woman with achrondroplasia marries a man with achondroplasia, what proportion of their offspring is expected to have achondroplasia?