Does the Y Chromosome Determine Only Gender?

Discover the roles of the Y chromosome beyond gender determination, including male fertility and genetic diversity.

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The Y chromosome primarily determines male biological traits but is not limited to gender alone. It carries genes that are crucial for male fertility and the development of male-specific features. For example, the SRY gene triggers male development. Additionally, it contains regions that contribute to overall genetic diversity and evolutionary functions. Thus, while it plays a significant role in gender determination, its functions are broader and biologically significant.

FAQs & Answers

  1. What is the main function of the Y chromosome? The Y chromosome primarily carries genes important for male development and fertility, particularly the SRY gene.
  2. Can the Y chromosome affect traits other than gender? Yes, it also plays a role in genetic diversity and various biological functions beyond gender determination.
  3. What is the SRY gene and its importance? The SRY gene triggers male development and is a crucial factor on the Y chromosome for establishing male characteristics.
  4. How does the Y chromosome contribute to evolution? The Y chromosome contains regions that enhance genetic diversity, contributing to evolutionary processes.