Pleiotropy typically
A) causes various symptoms to appear even though it only impacts a single gene.
B) causes a single symptom to appear even though it only impacts a single gene.
C) causes various symptoms to appear even though it only impacts multiple genes.
D) causes a single symptom to appear even though it only impacts multiple genes.

Question

Quizplus · Accepted Answer

Pleiotropy refers to the phenomenon where a single gene affects multiple traits or phenotypes. Therefore, option A is correct as it states that various symptoms appear even though only a single gene is impacted. Option B is incorrect as pleiotropy affects multiple traits, not just a single symptom. Option C is incorrect as it suggests that pleiotropy impacts multiple genes, which is not necessarily true. Option D is also incorrect as pleiotropy affects multiple traits, not just a single symptom.

Pleiotropy Typically