Question

HELP! 50 POINTS! DUE TODAY ASAP! PLEASE WILL MARK CORRECT ANSWER BRAINLIEST <3 THANK YOU SO MUCH!!

Complete the Punnett square. A dog with dominant black hair (Bb) is bred with a dog with brown hair (bb).

Answer the questions below.

a. What is the probability of a puppy being black or brown?

b. Which dog is heterozygous for hair color?

Answer 1

a. P(black) = 50%
P(black) = 50%

b. Dog with black hair (Bb) is heterozygous.

Answer 2

Answer:

a. 50%

b. The dog with black hair (Bb)

Explanation:

a) The dog with dominant black hair (Bb) has two different alleles, namely B and b.

The dog with brown hair (bb) has two alleles 'b.'

Therefore,  we have the following Punnett square:

(please see the image)

According to the square, the probability of having a puppy being black or brown is 50%.

b) The heterozygous for for hair color has the genotype of Bb.

Therefore, the dog with such a genotype has black hair.