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Cephalopods may have the oldest sex chromosomes of any animal, according to a new discovery in the octopus genome. That's a big deal given that scientists didn't know until now if these oddball ...

The nucleus of every human cell contains chromosomes—23 pairs, to be exact. These carry our genetic material, known as the genome, and are composed of deoxyribonucleic acid (DNA) and proteins.

Mitosis orchestrates eukaryotic cell division, maintaining genetic fidelity and playing a key role in development, tissue homeostasis, and cancer progression.

The report is, however, mostly descriptive and the mechanisms underlying age-dependent changes in chromosome stiffness remain unclear. The evidence suggesting that changes in stiffness are independent ...

The nucleus of every human cell contains chromosomes - 23 pairs, to be exact. These carry our genetic material, known as the genome, and are composed of deoxyribonucleic acid (DNA) and proteins.

A chromosome is comprised of a single DNA molecule that may be either circular or linear. The full complement of a cell s chromosomes ... Genome structure exhibits significant plasticity ...

The findings suggest that the parental origin of the X chromosome influences brain health and may explain differences in aging and disease risk between sexes and individuals. UCSF researchers found ...

Genome compartmentalization, such as transposon amplification, might be the key factor influencing chromosome structure and differentiation ... Ethical review and approval was not required for the ...

eLife is a non-profit organisation inspired by research funders and led by scientists. Our mission is to help scientists accelerate discovery by operating a platform for research communication that ...

Feb. 18, 2025 — Viruses, like those that cause COVID-19 or HIV, are formidable opponents once they invade our bodies. Antiviral treatments strive to block a virus or halt its replication ...