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.

As a result of this repulsion, the DNA loops then stack up to form rod-shaped chromosomes. Tracing chromosomal DNA in high resolution Scientists have long hypothesised the importance of DNA loops ...

The first-ever synthetic multicellular organism is ready to come to life after a Sydney breakthrough 10 years in the making.

As a result of this repulsion, the DNA loops then stack up to form rod-shaped chromosomes. Scientists have long hypothesized the importance of DNA loops in building and maintaining chromosomal ...

Nettie Maria Stevens grew up in America just after the Civil ... made reproductive cells with both X and Y chromosomes whereas the females made only those with X. She concluded that sex is ...