Codominance Incomplete Dominance Worksheet PDF

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Summer AP Bio...

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1. Incomplete dominance is when the phenotypes of the parents blend together and form a new phenotype shown in their offspring. Codominance is when the two parent phenotypes are both shown in the offspring 2. a. BB b. bb c. Bb 3. B

b

B

BB

Bb

B

BB

Bb

a. 0% b. 50% 4. B

b

B

BB

Bb

b

Bb

bb

a. 50% 5. I think the short tailed allele is codominance while long tails are dominant traits with no tails being recessive. Based on this answer, the offspring of two short tailed cats should have around the same number of long tailed and no tail kittens, along with the amount of short tailed cats around the same as the long tailed/no tail kittens combined. TT = long tailed // Tt = short tailed // tt = no tail 6. a. Red b. Pink c. White 7. R

r

r

Rr

rr

r

Rr

rr

a. 50%

8.

R

R

r

Rr

Rr

r

Rr

Rr

a. A red flower crossed with a white flower 9. B

B

b

Bb

Bb

b

Bb

Bb

a. b. c. d.

Parent genotypes - BB, bb Parent phenotypes - red, white Offspring genotypes - Bb Offspring phenotypes - pink

10. B

B

B

BB

BB

b

Bb

Bb

a. The fowl’s offspring are 50% black and 50% bluish-gray...