You began when egg and sperm met, and the DNA from your biological parents teamed up. Your first cell began copying its newly ...

(d) “Female” means a person belonging, at conception, to the sex that produces the large reproductive cell. (e) “Male” means ...

The executive order’s definitions of male and female left room for interpretation contrary to the spirit of the order.

Jan. 15, 2025 — While most known types of DNA damage are fixed by our cells' in-house DNA repair mechanisms, some forms of DNA damage evade repair and can persist for many years, new research shows.

For sex sorted semen, the ability to shift the gender ratio of a calf crop comes from the fact that gender is determined by the sperm cell that fertilizes the egg. Sperm cells that result in a heifer ...

control cell development in the human embryo during the first days after fertilization. The ... Oct. 11, 2024 — Researchers have linked specific frequent defects in sperm to risk of pregnancy ...

One of President Donald Trump's executive orders offers a new federal government definition of the sexes that could have a major impact on transgender people. Here's a look at how.

Clearly, this order is not fully informed by current biological science,” said Dr. Richard Bribiescas, president of the Human Biology Association.

An executive order President Donald Trump signed on his first day back in office offers a new federal government definition of the sexes that could have a major impact on transgender people nationwide ...

A SCIENTIST has revealed why human penises are so big in comparison with our closest living relatives. Research has shown the ...

is fertilised by a sperm, which also carries 23 sets. This crucial binding, creating 46 pairs of chromosomes, opens the way for cell division, the very beginning of human life. But researchers Dr ...

Step into any supermarket or pharmacy, and you'll find aisles brimming with products designed to make you smell "fresh," feel "clean," or somehow achieve a level of "purity" that no human body ...