Incomplete and Codominance
Flashcard
•
Science
•
12th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is Incomplete Dominance?
Back
A genetic scenario where one allele is not completely dominant over another, resulting in a blended phenotype in heterozygous offspring.
2.
FLASHCARD QUESTION
Front
What is Codominance?
Back
A genetic scenario where both alleles in a heterozygote are fully expressed, resulting in offspring with a phenotype that shows both traits.
3.
FLASHCARD QUESTION
Front
How does Incomplete Dominance differ from Mendelian inheritance?
Back
In Incomplete Dominance, the heterozygous genotype has a unique phenotype, unlike Mendelian inheritance where dominant alleles mask recessive ones.
4.
FLASHCARD QUESTION
Front
What is the phenotype of a heterozygous snapdragon (Rr) in terms of flower color?
Back
Pink, as red (RR) and white (rr) alleles blend to produce a pink phenotype.
5.
FLASHCARD QUESTION
Front
If two pink snapdragons (Rr) are crossed, what is the probability of producing pink offspring?
Back
50%.
6.
FLASHCARD QUESTION
Front
In a cross between a red flowered plant (RR) and a white flowered plant (WW) with incomplete dominance, what percentage of offspring will be red?
Back
0%.
7.
FLASHCARD QUESTION
Front
What is the expected phenotype ratio in a cross involving incomplete dominance?
Back
1:2:1 ratio of phenotypes (one for each homozygous type and two for the heterozygous type).
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