In cattle, an autosomal mutation called Dexter produces

Last updated: 7/24/2022

In cattle, an autosomal mutation called Dexter produces calves with short stature and short limbs. Embryos that are homozygous for the Dexter mutations have severely stunted development and either spontaneously abort or are still-born. What are the expected proportions and phenotypes of the viable progeny if you cross two Dexter cows? 3/4 Dexter : 1/4 normal 2/3 Dexter: 1/3 normal 1/2 Dexter : 1/2 normal 3/4 normal: 1/4 Dexter 1/3 Dexter: 2/3 normal