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 ...

At different times during the life cycle of a cell, the DNA that makes up the cell's chromosomes can be tightly compacted into a structure that is visible under a microscope, or it can be more ...

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.

Chances are you've seen an illustration of DNA's double-helix structure and even pictures of the chromosomes that comprise the human genome. But where and how does the famous double helix fit into ...

DNA comprises the genes and chromosomes that govern the development ... The twisted double strand structure -- the famed double helix -- unwinds and the strands separate. The nucleotides (A ...

Here, you will find information on the chemical structure of DNA; details about the organization of DNA into chromosomes, genes, and gene families; and data regarding important categories of ...

A high-quality genome assembly of Silene latifolia was generated by researchers at CNRS/Université Claude Bernard Lyon 1 and ...

Researchers at the Crick have uncovered which genes on the Y chromosome regulate the development of sperm and impact fertility in male mice. This research could help us understand why some men don’t ...

They used worms with a mutation in a cuticle collagen gene, which makes it easier ... To zoom in on changes in chromosome organization during meiosis, the researchers used nuclear membrane and DNA ...

Scientists published a full genetic sequence of the genes that make some white campions male, and hope their work could ...

The Homo sapiens genome today contains a little bit of Neanderthal DNA. These genetic traces ... containing about 20,000 genes bundled into 23 chromosomes. Like us, they had two copies of 22 ...

DNA molecules are large and complex. They carry the genetic code that determines the characteristics of a living organism. The backbone of the DNA double helix consists of alternating phosphate ...