
Incomplete Dominance- Day 1 Questions
Quiz
•
Biology
•
7th - 12th Grade
•
Practice Problem
•
Easy
beth howard
Used 37+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Definition of Incomplete Dominance:
In Non-Mendelian Genetics, Incomplete Dominance results in the offspring phenotype (trait)
being a mixture or blend of the two parent phenotypes (traits).
showing both of the two parent phenotypes.
having one dominate and one recessive trait
showing the recessive trait of the parents.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Incomplete Dominance Question 1:
In snapdragons, flower color is controlled by incomplete dominance. The two alleles are red (RR) and white (WW). The heterozygous genotype is expressed as pink (RW).
a. What is the phenotype of a plant with the genotype RR?
Red
White
Pink
Green
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Incomplete Dominance Question 1-
In snapdragons, flower color is controlled by incomplete dominance. The two alleles are red (RR) and white (WW). The heterozygous genotype is expressed as pink (RW).
b. What is the phenotype of a plant with the genotype WW?
Red
White
Pink
Green
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Incomplete Dominance Question 1-
In snapdragons, flower color is controlled by incomplete dominance. The two alleles are red (RR) and white (WW). The heterozygous genotype is expressed as pink (RW).
c. What is the phenotype of a plant with the genotype RW?
Red
White
Pink
Green
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Incomplete Dominance Question 2-
Predict the offspring when two pink snapdragon flowers (RW) are crossed.
(Work out Punnett Square on Paper)
a. What is the predicted genotypic ratio for the offspring?
(In Incomplete Dominance Genotypic Ratios Are Written Out By Number and Genotype: There is NO SPECIFIC ORDER)
1 RR: 2 RW:1 WW
2 RR: 1 RW: 0 WW
0 RR: 2 RW: 1 WW
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Incomplete Dominance Question 2:
Predict the offspring when two pink snapdragon flowers (RW) are crossed.
b. What is the predicted phenotypic ratio for the offspring?
(In Incomplete Dominance Phenotypic Ratio's are written out by number and Phenotype: There is NO SPECIFIC ORDER)
1 Red: 1 White: 2 Pink
2 Red: 1 White: 2 Pink
1 Red: 1 White: 4 Pink
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Incomplete Dominance Question 3:
A pink-flowered plant is crossed with a white-flowered plant. What is the probability of producing:
(Work out Punnett Square on Paper)
a. A pink-flowered plant?
50%
25%
75%
100%
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