If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content
IST‑1 (EU)
IST‑1.J (LO)
IST‑1.J.2 (EK)
Chromosomal basis of sex determination. X and Y chromosomes, X-linkage.
Sort by:
Biology is brought to you with support from the Amgen Foundation