Incomplete and Codominance Practice

Incomplete and Codominance Practice

9th - 12th Grade

13 Qs

quiz-placeholder

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Incomplete and Codominance Practice

Incomplete and Codominance Practice

Assessment

Quiz

Biology

9th - 12th Grade

Hard

Created by

Adrienne Aguilar

Used 10+ times

FREE Resource

13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Coat color in mice is incompletely dominant. Yellow (YY) and white-colored (WW) mice are homozygous, while cream-colored mice are heterozygous. If two cream-colored mice mate, what phenotypic ratio can we expect of their offspring? (Y= yellow coat allele, W= white coat allele)

2 YY: 2 WW

1 YY: 2 YW: 1 WW

1 YY: 3 WW

2 YY: 1 YW: 1 WW

2.

MATCH QUESTION

1 min • 1 pt

In snapdragons, flower color is controlled by incomplete dominance. The two alleles are red (R) and white (W). The heterozygous genotype is expressed as pink.

Match the genotype with phenotype

White flowers

RW

Pink flowers

RR

Red flowers

WW

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In snapdragons, flower color is controlled by incomplete dominance. The two alleles are red (R) and white (W).

A pink-flowered plant is crossed with a white-flowered plant. Draw and fill out your Punnett square. What is the probability of producing a pink-flowered plant?

0%

25%

50%

75%

100%

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In snapdragons, flower color is controlled by incomplete dominance. The two alleles are red (R) and white (W).

A red flowered plant is crossed with a white-flowered plant. Draw and fill out your Punnett square. What is the probability of producing a pink-flowered plant?

0%

25%

50%

75%

100%

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Incomplete Dominance

In Andalusian fowls, black individuals (B) and white individuals (W) are homozygous. A homozygous black bird is crossed with a homozygous white bird. Draw the Punnett square. What fraction of the offspring would be heterozygous (displaying a phenotype of bluish feathers)?

0/4

1/4

2/4

3/4

4/4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Incomplete dominance

In Andalusian fowls, black individuals (B) and white individuals (W) are homozygous. Heterozygous birds show a blueish phenotype. If a black individual is crossed with a bluish-gray individual, what percent of the offspring would show black feathers?

0%

25%

50%

75%

100%

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Incomplete Dominance

In Andalusian fowls, black individuals (B) and white individuals (W) are homozygous. Heterozygous birds show a blueish phenotype. If a black individual is crossed with a bluish-gray individual, what percent of the offspring would show bluish feathers?

0%

25%

50%

75%

100%

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