One of the most detailed 3D maps of how the human chromosomes are organized and folded within a cell's nucleus is published ...

Chromosome 2 is the second largest of the 46 chromosomes found in human cells. Chromosome 2 spans 243 million base pairs and makes up around 8% of the total DNA present within our cells. The base ...

Basic biology has it that girls are girls because they have two X chromosomes — the things inside cells that carry our genes. Boys are boys because they have one X and one Y. Recently, though, there's ...

The human Y chromosome, the determinant of male sex, has finally been completely sequenced. What it unveils could prove crucial to understanding the Y chromosome’s puzzling origins, and — pertinently ...

Sex chromosomes are unusually labile systems, with frequent shifts between male and female heterogamety and with a large variety in the precise number and types of chromosomes. The lability is further ...

Chromosome 5 is the fifth largest chromosome of the 23 chromosomal pairs in humans and represents nearly 6% of the total DNA. Despite being one of the largest chromosomes, chromosome 5 has a low gene ...

A research paper highlights how spiny rats have developed a new male-determining gene. A recent study suggests a surprising future for human reproduction: the Y chromosome, which is crucial for ...

The sex we're assigned at birth depends largely on a genetic flip of the coin: X or Y? Two X chromosomes and you (almost always) develop ovaries. An X and a Y chromosome? Testes. These packages of ...

The Y chromosome may be a symbol of masculinity, but it is becoming increasingly clear that it is anything but strong and enduring. Although it carries the “master switch” gene, SRY, that determines ...

In the early 1980s I met and began an unofficial training with Anna Freud—Sigmund Freud's youngest daughter, and his only child to follow him into psychoanalysis. I was a young social scientist who ...