Each human cell thus contains 46 chromosomes in 23 pairs. The gametes or ovum produced by the female ovaries and the sperm produced by the male testicles, however, contain only 23 chromosomes.

“Just a few years ago, half of the human Y chromosome was missing ... Humans typically have a pair of sex chromosomes in each cell. People who are assigned male at birth have an X and a Y ...

Each human cell contains 23 pairs of chromosomes that carry DNA within their nucleus. The X and Y chromosomes, commonly referred to as the sex chromosomes, are one such pair.

the Y chromosome is among the tiniest of the 46 chromosomes in the human genome. It makes up only 2 percent of a human cell’s total DNA. But because of its seemingly endless repeating bases ...

How do chromosomes and genetics contribute to our health? Genetics plays an integral role in almost every human trait and health condition. It’s the blueprint for how your cells function and how ...

University of Arizona scientists have discovered that the loss of the Y chromosome in men's cells may make it more difficult ...

As the cell proceeds through the stages of cell division (from left to right: interphase, prometaphase, metaphase, and anaphase), chromosomes become progressively more compact through a ...

Researchers from the University of Arizona have unveiled that coordinated Y chromosome loss in both cancer cells and immune ...

Human-accelerated regions (HARs) in chromosomes help human neurons grow multiple neurites ... The human neurons grew multiple neurites, or wiry projections that help the nerve cells send and receive ...

More than 80% of early human embryos contain cells with an incorrect number of chromosomes—a phenomenon called aneuploidy.

Among the many marvels of life is the cell’s ability to divide and thus enable organisms to grow and renew themselves. For this, the cell must duplicate its DNA – its genome – and segregate ...