The SRY gene is located on the Y chromosome. This single gene encodes a protein called a transcription factor that binds to DNA and stimulates the transcription of other genes that lead to the development of male sex characteristics, including physical, biochemical, and behavioral phenotypes. What concept in genetics BEST describes this example?
A) dominance
B) discontinuous characteristic
C) polygenic characteristic
D) phenocopy
E) pleiotropy

Question

Quizplus · Accepted Answer

The SRY gene affects multiple traits (male sex characteristics), which is an example of pleiotropy, where one gene influences multiple phenotypic traits.

The SRY Gene Is Located on the Y Chromosome