Question

Which statement best describes the potential confusion in early studies of inheritance patterns for skin color?

Answer 1

The polygenic trait appeared as incomplete dominance.

Explanation;

-Polygenic inheritance occurs when one characteristic is controlled by two or more genes. Often the genes are large in quantity but small in effect. Examples of human polygenic inheritance are height, skin color, eye color and weight.

-Incomplete dominance is a form of intermediate inheritance in which one allele for a specific trait is not completely expressed over its paired allele. This results in a third phenotype in which the expressed physical trait is a combination of the phenotypes of both alleles.

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Answer 2

The statement about “potential confusion in studies of inheritance patterns for skin color” is that “The polygenic trait appeared as incomplete dominance.”

Answer: Option 1

Explanation:

Incomplete dominance results when a new offspring is produced which doesn't have the characteristic features of both the parents. It gives only one traits and not multiple or polygenetic traits. Thus it describes about the “potential confusion in early studies of inheritance patterns” for skin color.