Question

Activities: Punnett Squares of Birds

1) A black BB (codominant) bird mates with a red RR (codominant) bird. What will the offspring be? Complete the Punnett square.

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a. What is the probability of having a black bird?

b. What is the probability of having a red bird?

c. What is the probability of having a black and red bird?


2) A black Bb (codominant) bird mates with a red Rr (codominant) bird. Both b and r are recessive for brown. What will the offspring be? Complete the Punnett square.

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a. What is the probability of having a black bird?

b. What is the probability of having a red bird?

c. What is the probability of having a black and red bird?

d. What is the probability of having a brown bird?

Answer 1

1

A. 0

B. 0

C. 100% probability or 4/4

2.

A.25% probability or 1/4 chance

B 25% probability

C 25% probability

D 25% probability