The T Locus Is Involved in the Production of Tails

Multiple Choice

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