Incomplete Dominance and Codominance

Flashcard
•
Biology
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is incomplete dominance?
Back
Incomplete dominance is an inheritance pattern where the offspring display a mixture of the traits from both parents, resulting in a phenotype that is intermediate between the two.
2.
FLASHCARD QUESTION
Front
What is codominance?
Back
Codominance is an inheritance pattern where both alleles in a heterozygote are fully expressed, resulting in offspring with a phenotype that shows both traits simultaneously.
3.
FLASHCARD QUESTION
Front
Give an example of incomplete dominance.
Back
An example of incomplete dominance is when a red flower (RR) is crossed with a white flower (WW), resulting in pink flowers (RW).
4.
FLASHCARD QUESTION
Front
Give an example of codominance.
Back
An example of codominance is in calico cats, where both black and orange fur colors are expressed in the same individual.
5.
FLASHCARD QUESTION
Front
What is the result of a cross between a tall plant (TT) and a short plant (SS) in incomplete dominance?
Back
The result is a medium plant (TS), which is an intermediate phenotype.
6.
FLASHCARD QUESTION
Front
In a genetic cross, what does a 50% calico offspring mean?
Back
It means that out of all the offspring produced, half will display the calico phenotype, showing both black and tan colors.
7.
FLASHCARD QUESTION
Front
What is the main difference between incomplete dominance and codominance?
Back
In incomplete dominance, the traits blend to form an intermediate phenotype, while in codominance, both traits are fully expressed without blending.
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