Both pleiotropy and polygenic inheritance are key examples of NonMendelian inheritance.

Which of the following answer choices is true?
Choose 1 answer:
(A) Pleiotropy and polygenic inheritance involve multiple genes that result in a phenotypic spectrum.
(B) Pleiotropy is when one trait is controlled by multiple genes (e.g. height).
(c) Pleiotropy is when one gene affects multiple characteristics (e.g. Marfan syndrome).

D Polygenic inheritance is when one trait is controlled by one gene (e.g. skin pigmentation).

Question

Both pleiotropy and polygenic inheritance are key examples of NonMendelian inheritance.

Which of the following answer choices is true?
Choose 1 answer:
(A) Pleiotropy and polygenic inheritance involve multiple genes that result in a phenotypic spectrum.
(B) Pleiotropy is when one trait is controlled by multiple genes (e.g. height).
(c) Pleiotropy is when one gene affects multiple characteristics (e.g. Marfan syndrome).

D Polygenic inheritance is when one trait is controlled by one gene (e.g. skin pigmentation).

Accepted Answer

***C*** ∻Key Concept∻ ⚹Pleiotropy⚹ ∻Explanation∻ ⚹Pleiotropy occurs when one gene affects multiple characteristics, such as in Marfan syndrome.⚹◊Is it possible for a trait to be influenced by both pleiotropy and polygenic inheritance at the same time⍭ Generate me a similar question◊

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