Answer:
The ratio between the wire and smooth dog hair phenotype will be (d) 3:1 in the F2 generation. In the case of dogs, the dominant trait is wire... See full answer below. Explanation:
1:2:1
A monohybrid cross results in a phenotypic ratio of 3:1 (dominant to recessive), and a genotypic ratio of 1:2:1 (homozygous dominant to heterozygous to homozygous recessive).