The t locus is involved in the production of tails in a mouse; tt individuals are without tails, whereas TT and Tt have tails.The l locus is involved in the color of tails: assuming that they have tails, individuals that are ll have light tails, whereas all others have dark tails.The two loci are on different chromosomes.In an F₂ cross between TTLL and ttll individuals, what fraction will have light tails? A) 1/16 B) 3/16 C) 1/4 D) 1/2 E) 9/16

Question

Quizplus · Accepted Answer

In the F2 generation, 1/4 will be tt (no tails), and 3/4 will have tails. Of those with tails, 1/4 will be ll (light tails), so 1/4 of 3/4 is 3/16.

The T Locus Is Involved in the Production of Tails