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)
Incomplete and Codominance Practice

Quiz
•
Biology
•
9th - 12th Grade
•
Hard
Adrienne Aguilar
Used 10+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
Red flowers
WW
Pink flowers
RW
White flowers
RR
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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