Biology, 16.03.2020 21:30 JosefineRubino2204
Albino rabbits (lacking pigment) are homozygous for the recessive c allele (C allows pigment formation). Rabbits homozygous for the recessive b allele make brown pigment, while those with at least one copy of B make black pigment. True-breeding brown rabbits were crossed to albinos, which were also BB. F1 rabbits, which were all black, were crossed to the double recessive (bb cc). The progeny obtained were 34 black, 66 brown, and 100 albino.
a. What phenotypic proportions would have been expected if the b and c loci were unlinked?
b. How far apart are the two loci?
Answers: 1
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