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Codominance/Incomplete Dominance

Total questions: 36

Worksheet time: 36mins

Name
Class
Date
1.

Codominance: both traits in heterozygotes are expressed equally and separately.

In some varieties of chickens, the allele for black feathers (B) is codominant with the allele for white (W). Heterozygous chickens will have an erminette phenotype that appears as speckled with black and white feathers (BW).

  1. 1a. A black hen and a white rooster are crossed. What is the probability of White offspring?



(a)  

2.

Codominance: both traits in heterozygotes are expressed equally and separately.

In some varieties of chickens, the allele for black feathers (B) is codominant with the allele for white (W). Heterozygous chickens will have an erminette phenotype that appears as speckled with black and white feathers (BW).

  1. 1b. A black hen and a white rooster are crossed. What is the probability of Black offspring?



(a)  

3.

Codominance: both traits in heterozygotes are expressed equally and separately.

In some varieties of chickens, the allele for black feathers (B) is codominant with the allele for white (W). Heterozygous chickens will have an erminette phenotype that appears as speckled with black and white feathers (BW).

  1. 1c. A black hen and a white rooster are crossed. What is the probability of Erminette offspring?



(a)  

4.

Codominance: both traits in heterozygotes are expressed equally and separately.

In some varieties of chickens, the allele for black feathers (B) is codominant with the allele for white (W). Heterozygous chickens will have an erminette phenotype that appears as speckled with black and white feathers (BW).

  1. 2a. Two black chickens are crossed. What is the probability of white offspring?



(a)  

5.

Codominance: both traits in heterozygotes are expressed equally and separately.

In some varieties of chickens, the allele for black feathers (B) is codominant with the allele for white (W). Heterozygous chickens will have an erminette phenotype that appears as speckled with black and white feathers (BW).

  1. 2b. Two black chickens are crossed. What is the probability of black offspring?



(a)  

6.

Codominance: both traits in heterozygotes are expressed equally and separately.

In some varieties of chickens, the allele for black feathers (B) is codominant with the allele for white (W). Heterozygous chickens will have an erminette phenotype that appears as speckled with black and white feathers (BW).

  1. 2c. Two black chickens are crossed. What is the probability of erminette offspring?



(a)  

7.

Codominance: both traits in heterozygotes are expressed equally and separately.

In some varieties of chickens, the allele for black feathers (B) is codominant with the allele for white (W). Heterozygous chickens will have an erminette phenotype that appears as speckled with black and white feathers (BW).

  1. 3a. Two erminette chickens are crossed.What is the probability of white offspring?



(a)  

8.

Codominance: both traits in heterozygotes are expressed equally and separately.

In some varieties of chickens, the allele for black feathers (B) is codominant with the allele for white (W). Heterozygous chickens will have an erminette phenotype that appears as speckled with black and white feathers (BW).

  1. 3b. Two erminette chickens are crossed.What is the probability of black offspring?



(a)  

9.

Codominance: both traits in heterozygotes are expressed equally and separately.

In some varieties of chickens, the allele for black feathers (B) is codominant with the allele for white (W). Heterozygous chickens will have an erminette phenotype that appears as speckled with black and white feathers (BW).

  1. 3c. Two erminette chickens are crossed.What is the probability of erminette offspring?



(a)  

10.

Codominance: both traits in heterozygotes are expressed equally and separately.

In some varieties of chickens, the allele for black feathers (B) is codominant with the allele for white (W). Heterozygous chickens will have an erminette phenotype that appears as speckled with black and white feathers (BW).

  1. 4a. A erminette and a black chicken are crossed. What is the probability of white offspring?



(a)  

11.

Codominance: both traits in heterozygotes are expressed equally and separately.

In some varieties of chickens, the allele for black feathers (B) is codominant with the allele for white (W). Heterozygous chickens will have an erminette phenotype that appears as speckled with black and white feathers (BW).

  1. 4b. A erminette and a black chicken are crossed. What is the probability of black offspring?



(a)  

12.

Codominance: both traits in heterozygotes are expressed equally and separately.

In some varieties of chickens, the allele for black feathers (B) is codominant with the allele for white (W). Heterozygous chickens will have an erminette phenotype that appears as speckled with black and white feathers (BW).

  1. 4c. A erminette and a black chicken are crossed. What is the probability of erminette offspring?



(a)  

13.

Codominance: both traits in heterozygotes are expressed equally and separately.

In some varieties of chickens, the allele for black feathers (B) is codominant with the allele for white (W). Heterozygous chickens will have an erminette phenotype that appears as speckled with black and white feathers (BW).

  1. 5a. A erminette and a white chicken are crossed. What is the probability of white offspring?



(a)  

14.

Codominance: both traits in heterozygotes are expressed equally and separately.

In some varieties of chickens, the allele for black feathers (B) is codominant with the allele for white (W). Heterozygous chickens will have an erminette phenotype that appears as speckled with black and white feathers (BW).

  1. 5b. A erminette and a white chicken are crossed. What is the probability of black offspring?



(a)  

15.

Codominance: both traits in heterozygotes are expressed equally and separately.

In some varieties of chickens, the allele for black feathers (B) is codominant with the allele for white (W). Heterozygous chickens will have an erminette phenotype that appears as speckled with black and white feathers (BW).

  1. 5c. A erminette and a white chicken are crossed. What is the probability of erminette offspring?



(a)  

16.

Codominance: both traits in heterozygotes are expressed equally and separately.

Some flowers also exhibit codominace. Their petals can be red (RR), white(WW), or red and white speckled (RW). Cross a red flower with a speckled flower.

6a. Percent of white offspring is (a)  

17.

Codominance: both traits in heterozygotes are expressed equally and separately.

Some flowers also exhibit codominace. Their petals can be red (RR), white(WW), or red and white speckled (RW). Cross a red flower with a speckled flower.

6b. Percent of red offspring is (a)  

18.

Codominance: both traits in heterozygotes are expressed equally and separately.

Some flowers also exhibit codominace. Their petals can be red (RR), white(WW), or red and white speckled (RW). Cross a red flower with a speckled flower.

6b. Percent of speckled offspring is (a)  

19.

Incomplete Dominance: heterozygous is 3rd distinct phenotype

Snapdragons are a type of flower that exhibit incomplete dominance. The alleles for red (R) and white (W) flowers show incomplete dominance. Heterozygous (RW) plants have pink flowers - an intermediate mix of red and white coloring.

1a. Cross a pink flower with a white flower. What is the probability of red offspring?

(a)  

20.

Incomplete Dominance: heterozygous is 3rd distinct phenotype

Snapdragons are a type of flower that exhibit incomplete dominance. The alleles for red (R) and white (W) flowers show incomplete dominance. Heterozygous (RW) plants have pink flowers - an intermediate mix of red and white coloring.

1b. Cross a pink flower with a white flower. What is the probability of white offspring?

(a)  

21.

Incomplete Dominance: heterozygous is 3rd distinct phenotype

Snapdragons are a type of flower that exhibit incomplete dominance. The alleles for red (R) and white (W) flowers show incomplete dominance. Heterozygous (RW) plants have pink flowers - an intermediate mix of red and white coloring.

1c. Cross a pink flower with a white flower. What is the probability of pink offspring?

(a)  

22.

Incomplete Dominance: heterozygous is 3rd distinct phenotype

Snapdragons are a type of flower that exhibit incomplete dominance. The alleles for red (R) and white (W) flowers show incomplete dominance. Heterozygous (RW) plants have pink flowers - an intermediate mix of red and white coloring.

2a. Cross two pink flowers. What is the probability of red offspring?

(a)  

23.

Incomplete Dominance: heterozygous is 3rd distinct phenotype

Snapdragons are a type of flower that exhibit incomplete dominance. The alleles for red (R) and white (W) flowers show incomplete dominance. Heterozygous (RW) plants have pink flowers - an intermediate mix of red and white coloring.

2b. Cross two pink flowers. What is the probability of white offspring?

(a)  

24.

Incomplete Dominance: heterozygous is 3rd distinct phenotype

Snapdragons are a type of flower that exhibit incomplete dominance. The alleles for red (R) and white (W) flowers show incomplete dominance. Heterozygous (RW) plants have pink flowers - an intermediate mix of red and white coloring.

2c. Cross two pink flowers. What is the probability of pink offspring?

(a)  

25.

Incomplete Dominance: heterozygous is 3rd distinct phenotype

Snapdragons are a type of flower that exhibit incomplete dominance. The alleles for red (R) and white (W) flowers show incomplete dominance. Heterozygous (RW) plants have pink flowers - an intermediate mix of red and white coloring.

3a. Cross a white flower with a red flower. What is the probability of red offspring?

(a)  

26.

Incomplete Dominance: heterozygous is 3rd distinct phenotype

Snapdragons are a type of flower that exhibit incomplete dominance. The alleles for red (R) and white (W) flowers show incomplete dominance. Heterozygous (RW) plants have pink flowers - an intermediate mix of red and white coloring.

3b. Cross a white flower with a red flower. What is the probability of white offspring?

(a)  

27.

Incomplete Dominance: heterozygous is 3rd distinct phenotype

Snapdragons are a type of flower that exhibit incomplete dominance. The alleles for red (R) and white (W) flowers show incomplete dominance. Heterozygous (RW) plants have pink flowers - an intermediate mix of red and white coloring.

3b. Cross a white flower with a red flower. What is the probability of pink offspring?

(a)  

28.

Incomplete Dominance: heterozygous is 3rd distinct phenotype

In horses, some of the alleles for fur color show incomplete dominance. When an allele for brown colored fur (B) are crossed with white fur (W), the offspring are a heterozygous tan colored horse called a palomino (BW).

4a. Cross a palomino horse with a brown horse. What is the probability of white offspring?

(a)  

29.

Incomplete Dominance: heterozygous is 3rd distinct phenotype

In horses, some of the alleles for fur color show incomplete dominance. When an allele for brown colored fur (B) are crossed with white fur (W), the offspring are a heterozygous tan colored horse called a palomino (BW).

4b. Cross a palomino horse with a brown horse. What is the probability of brown offspring?

(a)  

30.

Incomplete Dominance: heterozygous is 3rd distinct phenotype

In horses, some of the alleles for fur color show incomplete dominance. When an allele for brown colored fur (B) are crossed with white fur (W), the offspring are a heterozygous tan colored horse called a palomino (BW).

4c. Cross a palomino horse with a brown horse. What is the probability of palomino offspring?

(a)  

31.

Incomplete Dominance: heterozygous is 3rd distinct phenotype

In horses, some of the alleles for fur color show incomplete dominance. When an allele for brown colored fur (B) are crossed with white fur (W), the offspring are a heterozygous tan colored horse called a palomino (BW).

5a. Cross two palomino horses. What is the probability of white offspring?

(a)  

32.

Incomplete Dominance: heterozygous is 3rd distinct phenotype

In horses, some of the alleles for fur color show incomplete dominance. When an allele for brown colored fur (B) are crossed with white fur (W), the offspring are a heterozygous tan colored horse called a palomino (BW).

5b. Cross two palomino horses. What is the probability of brown offspring?

(a)  

33.

Incomplete Dominance: heterozygous is 3rd distinct phenotype

In horses, some of the alleles for fur color show incomplete dominance. When an allele for brown colored fur (B) are crossed with white fur (W), the offspring are a heterozygous tan colored horse called a palomino (BW).

5c. Cross two palomino horses. What is the probability of palomino offspring?

(a)  

34.

Incomplete Dominance: heterozygous is 3rd distinct phenotype

In horses, some of the alleles for fur color show incomplete dominance. When an allele for brown colored fur (B) are crossed with white fur (W), the offspring are a heterozygous tan colored horse called a palomino (BW).

6a. Cross a white horse with a palomino horse. What is the probability of white offspring?

(a)  

35.

Incomplete Dominance: heterozygous is 3rd distinct phenotype

In horses, some of the alleles for fur color show incomplete dominance. When an allele for brown colored fur (B) are crossed with white fur (W), the offspring are a heterozygous tan colored horse called a palomino (BW).

6b. Cross a white horse with a palomino horse. What is the probability of brown offspring?

(a)  

36.

Incomplete Dominance: heterozygous is 3rd distinct phenotype

In horses, some of the alleles for fur color show incomplete dominance. When an allele for brown colored fur (B) are crossed with white fur (W), the offspring are a heterozygous tan colored horse called a palomino (BW).

6c. Cross a white horse with a palomino horse. What is the probability of palomino offspring?

(a)