Cats tail length is a trait that is incomplete dominant. when a cat witha short tail length is crossed witha long tail, the offspring all have medium tails. what are the possibilities if you crossed a short tail with a medium tail

1/2 medium tail and 1/2 Short tail offsprings

Explanation:

The gene involved here codes for tail length in cats. According to the question, the alleles of the gene (long, L and short, l) exhibits incomplete dominance i.e. one allele is incapable of masking the expression of the other, hence, a heterozygous intermediate (Medium tail) phenotype is formed from both parental combinations.

Based on this analogy, a long-tailed cat will have genotype LL, a short-tailed cat will have genotype ll and a medium-tailed cat will have genotype Ll.

Hence, in a cross between a short tailed cat (ll) and a medium tailed cat (Ll), four possible offsprings will be produced with genotypes: Ll, Ll, ll and ll.

Ll(2) offsprings are medium tailed

ll(2) offsprings are short tailed

Hence, the phenotypic ratio will be 2/4 or 1/2 for medium tail and 2/4 or 1/2 for short tail cats.

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