Question

A dog with long eyelashes mates with one that has short eyelashes assuming that long eyelashes are dominant over short eyelashes and that the dog with long eyelashes is heterozgous for the trait find the F1 genearation

Answer 1

L- long eyelashes
l – short eyelashes
P: Ll × ll
G: L l l
F1: Ll ll
50% of puppies will have long eyelashes, and 50% will have short eyelashes.
50% will be heterozygous and 50% will be homozygous recessive