Change in gene code may explain how human ancestors lost tails
A genetic change in our ancient ancestors may partly explain why humans don't have tails like monkeys, finds a new study led by researchers at NYU Grossman School of Medicine.
A genetic change in our ancient ancestors may partly explain why humans don't have tails like monkeys, finds a new study led by researchers at NYU Grossman School of Medicine.
Evolution
Feb 28, 2024
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Maturing sperm cells turn on most of their genes, not to follow their genetic instructions like normal, but instead to repair DNA before passing it to the next generation, a new study finds.
Cell & Microbiology
Jan 23, 2020
0
454
In research that casts cells as curators of their own history, Dana-Farber Cancer Institute scientists have discovered that adult tissues retain a memory, inscribed on their DNA, of the embryonic cells from which they arose. ...
Cell & Microbiology
Mar 21, 2019
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1340
Characteristics passed between generations are not decided solely by DNA, but can be brought about by other material in cells, new research shows.
Biotechnology
Apr 2, 2015
14
2866
The size of the human brain expanded dramatically during the course of evolution, imparting us with unique capabilities to use abstract language and do complex math. But how did the human brain get larger than that of our ...
Biotechnology
Feb 19, 2015
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1216
A new effort mapping 24-hr patterns of expression for thousands of genes in 12 different mouse organs – five years in the making – provides important clues about how the role of timing may influence the way drugs work ...
Biotechnology
Oct 27, 2014
0
0
Reproductive cells, such as an egg and sperm, join to form stem cells that can mature into any tissue type. But how do reproductive cells arise? We humans are born with all of the reproductive cells that we will ever produce. ...
Biotechnology
Mar 16, 2014
2
0
Every cell in our body has exactly the same DNA, yet every cell is different. A cell's identity is determined by the subset of genes that it activates. But how does a cell know which genes to turn off and which to turn on? ...
Biotechnology
Mar 13, 2014
0
1
Evolution, it seems, sometimes jumps instead of crawls. A research team led by a University of Chicago scientist has discovered two key mutations that sparked a hormonal revolution 500 million years ago.
Evolution
Jun 24, 2013
6
0
Over the last two decades, scientists have come to understand that the genetic code held within DNA represents only part of the blueprint of life. The rest comes from specific patterns of chemical tags that overlay the DNA ...
Biotechnology
Sep 30, 2012
2
0