All the progeny were narrow bodied, and had purple eyes. Narrow and purple are dominant. Rotated and clot are dominant. Neither or don't know. Narrow and purple are dominant.
Clot is really dominant.
Neither or don't know. Allow the F2 individuals to self-fertilize and examine the results. Cross an F1 individual with a rotated, clot individual from the inbred parental strain. Question 1 Answer 1. Question 1 Answer 2 Dominance means that the effect of a gene is the same in the heterozygote as in the homozygote.