A Texas community college fired one of its biology professors for teaching his students that sex was determined by X and Y chromosomes, according to a new report.
First Liberty Institute, a law firm that defends religious liberty for Americans, sent a letter to St. Philip’s College in San Antonio on behalf of the professor, Dr. Johnson Varkey, demanding the institution reinstate him after he was fired in January 2023.
“When teaching the human reproductive system, Dr. Varkey also stated that human sex is determined by chromosomes X and Y, and that reproduction must occur between a male and a female to continue the human species,” First Liberty stated in its letter. “In the course of teaching Human Anatomy and Physiology, he made these statements in every class for 20 years, without any incident or complaint.”
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Four students walked out of the professor’s class when he stated that sex was determined by X and Y chromosomes. ( Martin Schutt)

St. Philip’s College in San Antonio, Texas reportedly fired one of its biology professors for teaching his students that sex was determined by X and Y chromosomes. (Photo by: BSIP/Universal Images Group via Getty Images)

Despite the fact that Dr. Varkey taught from school-approved and science-based curriculum, St. Philip’s College claims his teaching was religious. (iStock)
Complaints against Varkey said he has engaged in “religious preaching, discriminatory comments about homosexuals and transgender individuals, anti-abortion rhetoric, and misogynistic banter” and that his teaching “pushed beyond the bounds of academic freedom with [his] personal opinions that were offensive to many individuals in the classroom,” according to the letter.
Despite the fact that Varkey taught from school-approved and science-based curriculum, St. Philip’s College claims his teaching was religious.
First Liberty said the college is participating in unlawful religious discrimination in employment under the First Amendment and Title VII of the Civil Rights Act of 1964, arguing Varkey “believes that he is obligated as a Christian and as a professor to teach accurate, true concepts that comport with his many years of research and study in the field of human biology.”
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