Hyenas are a highly social species, living in groups that can number more than 100. But within their clans, there is order: A specific matrilineal hierarchy governs societies in this species where females are dominant to ...
Plants & Animals
Jul 15, 2021
1
24
(PhysOrg.com) -- On average, one hundred billion cells in the human body divide over the course of a day. Most of the time the body gets it right but sometimes, problems in cell replication can lead to abnormalities in chromosomes ...
Biochemistry
Sep 16, 2010
0
0
Biologists at the University of California San Diego have developed the world's first CRISPR/Cas9-based approach to control genetic inheritance in a mammal.
Biotechnology
Jan 23, 2019
0
136
Many students have difficulty understanding and explaining how evolution operates. In search of better ways to teach the subject, researchers at Michigan State University developed complete evolutionary case studies spanning ...
Evolution
Jun 15, 2013
17
0
For sea squirts the key to a long and happy life is to be fertilized not by a fast sperm, but by one that stands the test of time, Dr Angela Crean, from the Evolution and Ecology Research Centre at the University of NSW, ...
Plants & Animals
Aug 14, 2013
0
0
There's no "silver bullet" gene or gene region that controls so-called complex traits in maize, commonly known as corn.
Biotechnology
Aug 6, 2009
0
0
As an organism grows and responds to its environment, genes in its cells are constantly turning on and off, with different patterns of gene expression in different cells. But can changes in gene expression be passed on from ...
Biotechnology
Mar 20, 2019
1
61
(Phys.org) —In a comprehensive study, scientists at the Friedrich Miescher Institute for Biomedical Research identified the molecular logic underlying the retention of histones and their marks during the development of ...
Cell & Microbiology
Jun 21, 2013
0
0
Young mongooses learn lifelong habits from role models rather than inheriting them from genetic parents, new research shows.Banded mongooses live in social groups where pups are consistently cared for one-to-one by a single ...
Plants & Animals
May 24, 2018
0
101
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
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