Bio 102 Quiz #2 Review: Mouse pigmentation is subject to epistasis of the B alleles by the d alleles. B (black) is dominant over b (brown), and D is dominant over d. Homozygous d is epistatic to the black and brown genes. Given this information, what will result from a F1 cross between two mice?

Question

Mouse pigmentation is subject to epistasis of the B alleles by the d alleles. B (black) is dominant over b (brown), and D is dominant over d. Homozygous d is epistatic to the black and brown genes. Given this information, what will result from a F1 cross between two mice?

Incredible Snipe · Accepted Answer

9/16 black, 3/16 brown, 4/16 white

Incredible Snipe · Answer

9/16 black, 6/16 brown, 1/16 white

Incredible Snipe · Answer

All black mice

Incredible Snipe · Answer

9/16 white, 6/16 brown, 1/16 black

Incredible Snipe · Answer

9/16 white, 3/16 brown, 4/16 black

Bio 102 Quiz #2 Review

Mouse pigmentation is subject to epistasis of the B alleles by the d alleles. B (black) is dominant over b (brown), and D is dominant over d. Homozygous d is epistatic to the black and brown genes. Given this information, what will result from a F1 cross between two mice?

9/16 black, 3/16 brown, 4/16 white

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