QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
Which is an example of incomplete dominance?
A. A grey cat and a black cat having black kittens.
B. A white cat and a black cat having grey kittens.
C. Two white cats having black kittens.
D. A white cat and a black cat having white kittens.
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Step 1: Understand the concept of incomplete dominance
Incomplete dominance is a phenomenon in genetics where the alleles (versions of a gene) of two parents do not result in a dominant or recessive trait in their offspring. Instead, the offspring exhibits a phenotype that is intermediate between the two parents.
Step 2: Examine the given options
Let's analyze each option to determine if it demonstrates incomplete dominance: A. A grey cat and a black cat having black kittens. This option does not show incomplete dominance because the kittens have the same color as one of the parents (black). B. A white cat and a black cat having grey kittens. This option demonstrates incomplete dominance. The grey kitten's color is intermediate between the white and black parent cats. C. Two white cats having black kittens. This option does not show incomplete dominance because the kittens have a different color from both parents. D. A white cat and a black cat having white kittens. This option does not show incomplete dominance because the kittens have the same color as one of the parents (white).
Final Answer
The correct example of incomplete dominance is option B.
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