Question

HELP ASAP! 50 POINTS!! WILL MARK CORRECT ANSWER BRAINLIEST

Answer 1

Answer:

a. 0% black birds

b. 0% red birds.

c. 100% of the offspring birds are black and red ones

Explanation:

A black bird (BB) produces only B gamete, while a red bird (RR) produces only R gamete.

As B and R alleles are codominant, three genotypes of BB, RR, and BR have three phenotypes, namely black, red, and black&red feather, respectively.

The Punnette square in this case can be seen in the image.

All of the offspring birds have BR genotype; therefore, they are all black&red birds.

Answer 2

Answer:

1) They wil be BR (100% of them)

Punnett square:  

     R.     R

B. BR.   BR.

B. BR.  BR

a) there is a 0% chance

b) there is a 0% chance

c) there is a 100% chance

Explanation:

a) because on the punnet square we got no "BB"

b) because on the punnett square we got no "RR"

c) because on the punnet square all of the crosses resulted in "BR", hence 100%