A fragment of DNA found on the modern human X chromosome can be traced to Neanderthals.

In evolutionary terms, sex is more important than life itself. Sex fuels evolutionary change by adding variation to the gene pool. The powerful urge to pass our genes

The Y chromosome is one of two sex chromosomes in mammals, including humans, and many other s. The other is the X chromosome. Y is the sex-determining

Ask any peahen what she wants in a mate, and you’re likely to get the same answer: eye-popping, elegant plumage. A peacock not equipped with a set of big, provocative

Animation in Concept 9: Specialized chromosomes determine gender, DNA from the Beginning

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An animated primer on the basics of DNA, genes, and heredity.

Women retain and carry living DNA cells from every man with whom they have sexual intercourse, according to a new study.

May 04, 2017 · A convicted rapist’s DNA has tied him to an unsolved sex assault on an 11-year-old teen nearly a 25 years ago.

Avian Biotech – offering a range of genetic tests and services such as dna sexing and disease testing for all species of birds as well as other s.