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 ...

DNA comprises the genes and chromosomes that govern the development of an individual organism. Coiled inside the nucleus of the cell, DNA stores all the information needed in reproducing that ...

Chances are you've seen an illustration of DNA's double-helix structure ... Within the rest of the genome are an estimated 70,000 genes. The single chromosome displayed here and those on the ...

What exactly is the relationship between genes and proteins ... The identification of RNA as the crucial missing link between DNA and protein was subsequently confirmed by cell fractionation ...

Many EDCs exhibit non-monotonic dose responses, where the relationship between ... dose caused errors in X-chromosome nondisjunction, or separation, after 24 hours. They used worms with a mutation in ...

Researchers have uncovered a "selfish" X chromosome in the fruit fly Drosophila testacea that manages to distort inheritance ...

But what happens when a mutation occurs over multiple genes? Deletions involve the loss of DNA sequences ... span a centromere result in an acentric chromosome that will most likely be lost ...

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

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 research team led by Prof. GAN Haiyun from the Shenzhen Institutes of Advanced Technology (SIAT) of the Chinese Academy of Sciences has uncovered a reciprocal regulatory relationship between ecDNA ...

Hermit crabs have the most chromosomes of any animal, with 254. Chromosomes carry genetic information in the form of DNA. Genes located on autosomes determine the inheritance of physical traits.

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 ...