How new evidence of sex reversals helps show how sex chromosomes are maintained over evolutionary time
When it comes to sex, frogs, just like in people, exhibit a similar XX (female) and XY (male) sex chromosome pattern of inheritance.
When it comes to sex, frogs, just like in people, exhibit a similar XX (female) and XY (male) sex chromosome pattern of inheritance.
Evolution
Jan 30, 2018
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135
In a breakthrough development, Los Alamos scientists have shown that they can successfully amplify light using electrically excited films of the chemically synthesized semiconductor nanocrystals known as quantum dots. The ...
Nanophysics
Nov 20, 2017
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371
A team from the NUS Yong Loo Lin School of Medicine (NUS Medicine) has invented a fundamentally new way of folding and protecting recombinant proteins. Sourced from the rapidly expanding field of synthetic biology, this protein-in-a-protein ...
Biochemistry
Nov 13, 2017
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6
Osaka University scientists show molecular factors that determine why some regions in yeast chromosomes are apt for remodeling, while other regions stay faithful during cell replication.
Cell & Microbiology
Sep 7, 2017
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5
Researchers from several Russian institutes, including MIPT, have found out how prolonged exposure to ionizing radiation affects human stem cells. They discovered that it causes a cell cycle delay, which leads to faster repairs ...
Cell & Microbiology
Aug 25, 2017
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6
As cells divide, some of their DNA is rearranged, spurring the emergence of new traits that can dictate whether a species survives or flounders. But some stretches of DNA appear to be so crucial to the basic functioning of ...
Biotechnology
Apr 11, 2017
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12
DNA holds the story of our ancestry – how we're related to the familiar faces at family reunions as well as more ancient affairs: how we're related to our closest nonhuman relatives, chimpanzees; how Homo sapiens mated ...
Evolution
Apr 7, 2017
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37
Researchers have discovered a key gene that influences genetic recombination during sexual reproduction in wild plant populations. Adding extra copies of this gene resulted in a massive boost to recombination and diversity ...
Biotechnology
Feb 21, 2017
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29
A team of researchers from the biology department at TU Darmstadt has discovered that the processes for repairing DNA damage are far more complex than previously assumed. The ends of breaks in the double helix are not just ...
Cell & Microbiology
Feb 2, 2017
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9
A new study provides more evidence that identical sections of DNA can match up with each other without the help of other molecules.
Biotechnology
Jul 20, 2016
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45