Each cell with a nucleus contains chromosomes, which are made from DNA Human body cells each contain 23 pairs of chromosomes, half of which are from each parent. So, human gametes (eggs and sperm ...

The cell's nucleus contains chromosomes. These are long threads of DNA, which are made up of many genes. Humans have around 25,000 genes across their 23 pairs of chromosomes.

Small sections of the chromosome, called genes, code for the ... all of the cell's chromosomes are stored inside a structure called the nucleus. Each eukaryotic chromosome is composed of DNA ...

Prokaryotes are organisms whose cells lack a nucleus and other organelles ... genetic material in the form of a single molecule, or chromosome, of circular DNA. The DNA in prokaryotes is contained ...

it currently has around 900 genes compared to the Y chromosome's meagre 55. So why has the male-determining chromosome been shrinking? And what does this mean for the future of men and humankind as a ...

except that in this cell the chromosomes attach to the membrane of the nucleus and then pair up with their corresponding chromosome. While paired up, enzymes cut sequences of DNA (genes ...

A study described the three-dimensional architecture of turtle genomes, which fold in a configuration unlike any other animal observed so far.

New research finds that turtle genomes show a chromatin arrangement that hasn't been observed in other organisms.

Swimming motors, similar to RNA polymerases -; enzymes that copy DNA sequences into RNA -; help expand and contract the ...

In a recent paper published in the journal Genome Research, experts described the chromatin arrangement in the genomes of two ...

The histone proteins of complex cells are named H2A, H2B, H3 and H4. They are assembled into groups of eight, around which a ...

Haemophilia is a rare bleeding disorder that mostly occurs in men An expert explains why and shares ways to reduce the risk ...