Question

In netherlands dwarf rabbits, a gene showing incomplete dominance produces three phenotypes. rabbits that are homozygous for one allele are small; individuals that are homozygous for the other allele are deformed and die; individuals that are heterozygous are dwarf. if two dwarf rabbits are mated, what proportion of their surviving offspring are likely to be dwarf?

Answer 1

Since both parents are heterozygous, 50% of their offspring would be heterozygous like the parents and will also be dwarf rabbits. 25% of the remaining offspring would have a homozygous allele and will be small, and the other 25% would also have a homozygous allele and will be deformed.