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A phenotypic ratio of 9:4:3 is indicative of __________.


A. Codominance
B. Polygenic inheritance
C. Epistasis
D. Multiple alleles

Sagot :

Answer:

a

Explanation:

The phenotypic ratio is the depiction and the relation of the occurrence of the phenotype in the offspring. The phenotypic ratio of 9:4:3 indicates codominance. Thus, option A is correct.

What is codominance?

Codominance is the inheritance where both the recessive and the dominant allele are expressed in the offspring independently to produce the individual with the expression of both the trait separately.

The blood group, eye color, roan cattle, flower colors, sickle-cell anemia, etc., are some examples that show the pattern of codominance. The phenotypic ratio suggests the occurrence of the physical traits in the offspring that are visible.

In codominance, the phenotypic ratio is 9:4:3 as both the traits possessing alleles are independently expressed in the next generation.

Therefore, 9:4:3 is the phenotypic ratio of codominance.

Learn more about codominance here:

https://brainly.com/question/3578928

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