The brain's prefrontal cortex, which gives us our ability to solve problems and plan ahead, contains billions of cells. But understanding the large diversity of cell types in this critical region, each with unique genetic ...
Biotechnology
Sep 9, 2019
0
202
Studies of human populations and animal models suggest that a father's experiences such as diet or environmental stress can influence the health and development of his descendants. How these effects are transmitted across ...
Cell & Microbiology
Oct 17, 2018
2
10642
Counting is vital in nature. Counting chromosomes is something that most animals, plants and even single-celled organisms need to know how to do to assure viability and to reproduce. Today, a team of geneticists reveals a ...
Cell & Microbiology
Jan 18, 2018
3
170
Each of your cells contains two copies of 23 chromosomes, one inherited from your father and one from your mother. Theoretically, when you create a gamete—a sperm or an egg—each copy has a 50-50 shot at being passed on. ...
Cell & Microbiology
Nov 2, 2017
1
130
Scientists have determined the first 3D structures of intact mammalian genomes from individual cells, showing how the DNA from all the chromosomes intricately folds to fit together inside the cell nuclei.
Cell & Microbiology
Mar 13, 2017
0
1326
Although it's widely known that modern humans carry traces of Neanderthal DNA, a new international study led by researchers at the Stanford University School of Medicine suggests that Neanderthal Y-chromosome genes disappeared ...
Archaeology
Apr 7, 2016
22
1862
Cellular senescence—when a cell can no longer divide—is a programmed stage in a cell's life cycle. Sometimes, as in aging, we wish it didn't happen so much and sometimes, as in cancer, we wish it would happen more. Given ...
Cell & Microbiology
Feb 5, 2016
0
841
The Y chromosome is a symbol of maleness, present only in males and encoding genes important for male reproduction. But a new study has shown that live mouse progeny can be generated with assisted reproduction using germ ...
Biotechnology
Jan 28, 2016
3
492
Cell division is the basis of life and requires that each daughter cell receive the proper complement of chromosomes. In most organisms, this process is mediated at the familiar constricted intersection of X-shaped chromosomes. ...
Cell & Microbiology
May 7, 2015
1
1496
(Phys.org)—Is there a way to peer inside the nucleus of a living cell and see how the genes interact? After the completion of the Human Genome Project in 2001, researchers have focused on epigenetic factors, spatial orientation, ...
