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 ...

Small sections of the chromosome, called genes, code for the RNA and ... DNA takes this form following DNA replication during the process of cell division when the two replicated chromosomes ...

Although the DNA code from cell to cell is the same ... Within the rest of the genome are an estimated 70,000 genes. The single chromosome displayed here and those on the previous screen are ...

Specifically, meiosis creates new combinations of genetic material in each of the four daughter cells. These new combinations result from the exchange of DNA between paired chromosomes.

Chromosomes also play a role in regulating gene expression. The structure and packaging of chromatin can influence which genes are active or silenced in a particular cell type or developmental stage.

Building a chromosome from scratch may sound like science fiction, but scientists have actually done it-and made it work. In ...

They exist as circular pieces of DNA in the nuclei of tumor cells outside chromosomes. Transcription of the amplified ecDNA genes can promote oncogenic processes, such as the increased expression ...

But cells have a simple solution: turn off one X chromosome and crumple the extra genes into a quieted mass of DNA called a Barr body. A long noncoding RNA known as XIST (pronounced “exist”), which is ...

A study published today in the journal Cell marks the first reported instance of generative AI designing synthetic molecules ...

Researchers use generative AI to design synthetic enhancers that can effectively control gene expression in healthy mammalian ...

Scientists at the Institute of Cancer Research in London and Linköping University in Sweden have discovered how cells prevent ...

Save guides, add subjects and pick up where you left off with your BBC account. The nucleus of each human body cell contains 46 chromosomes. Each chromosome contains about 1000 genes. There is ...