The Manx mutation, which produces no tail in cats, is a recessive lethal. What phenotype ratios would be expected from a cross b

Question

Marina CMI [18]

3 years ago

10

The Manx mutation, which produces no tail in cats, is a recessive lethal. What phenotype ratios would be expected from a cross b

etween two Manx cats?A. ¾ Manx: ¼ normalB. ¾ normal: ¼ ManxC. ⅔ Manx : ⅓ normalD. All Manx

Biology

1 answer:

AURORKA [14] · Answer 1 · 2022-07-07T07:42:49+03:00

AURORKA [14]3 years ago

7 0

Answer:

D

Explanation:

As both parents are Manx cats, their genotypes would be rr. Performing a cross, we know that all the resulting offspring can only have one possible genotype, which is rr, making them Manx cats as well. Hence, all their offspring would be Manx cats.