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.

It’s not clear why these backups have evolved. The new Y chromosome sequences could spell change for metagenomics research, which involves sequencing microbial genomes. Human DNA contaminants often ...

Human biological sex is determined by the sex chromosomes X and Y. In most cases ... said the chromosome's evolution of palindromes — DNA sequences that read the same forward as backward ...

People interested in their genetic composition can learn about their DNA structure. The DNA molecule is a fundamental substance throughout human bodies, plants, plant organisms, and all microorganisms ...

A chromosome is a single, long molecule of DNA. These highly organized structures ... The sex chromosomes in humans are called X and Y. Females carry two X chromosomes, while males carry one ...

The human Y did once contain as many genes as the X chromosome, but has lost them in the past 166 million years. As a result, ...

Researchers from Khalifa University, Saudi Arabia, working with regional and international collaborators, have examined Yemeni DNA to reveal ... Yemen's paternal Y-chromosome haplogroups were ...

The nucleus of each human body cell contains 46 chromosomes. Each chromosome contains about 1000 genes. There is enough DNA in all the cells in a human body to stretch to the sun and back again ...