Question

13. In mice, black coat colour (allele B) is dominant to brown
coat colour (allele b). The offspring of a cross between a
black mouse (BB) and a brown mouse (bb) were allowed
to interbreed. What percentage of the progeny would
have black coats?
(a) 25% (b) 50% (c) 75% (d) 100%​

Answer 1

Answer:

50%

Explanation:

as BB will have 25% chance and 25% of brown mouse remaining will bhi coat

Answer 2

Answer:

b) 50%

Explanation:

Because the ratio for 9:3:4 , in which 9 are agouty . therefore 9/16*100

                                                                                                   =56%