Question

Ability of a gene to have a multiple phenotypic effect is known as

• A. Co dominance
• B. Pleitropy
• C. Multiple allelism
• D. Incomplete dominance

Answer 1

Answer:

B. Pleitropy

• Pleiotropy occurs when a single gene or genetic variant affects two or more seemingly unrelated phenotypic traits. The underlying mechanism is that the gene codes for a product that is used by various cells or has a signaling function that affects various targets.