Your fact-checks

Your fact-checks will appear here

factually
Support us
  • Home
  • Politics
  • Business
  • Society
  • Technology
  • Health
  • Science
  • Entertainment
Index/Topics/Sex Determination

Sex Determination

Sex determination involves multiple mechanisms, including interactions among sex chromosomes, gene networks, gonadal differentiation, hormones, and cellular mosaicism.

Fact-Checks

3 results
Jan 14, 2026
Most Viewed

What is the biological definition of sex versus gender?

Biological sex is a multidimensional classification based on physical and physiological traits—chromosomes, reproductive anatomy, hormones and related biology—most commonly labeled male or female at b...

Jan 18, 2026
Most Viewed

What congenital condition did Jeffrey Epstein have Regis male organs

Reporting alleges that Jeffrey Epstein was described by some witnesses and a survivor as having an unusually shaped or “egg/ lemon”-shaped penis, and that an attorney raised that description in a 2009...

Jan 7, 2026

The "trans-brain" isn't real.

The idea of a single, uniform “trans‑brain” is false: the scientific literature finds patterns of neuroanatomical variation in some transgender people but also large heterogeneity and methodological l...

About
Blog
Contact
FAQ
Terms & ConditionsTerms
Privacy PolicyPrivacy
Manage data