Too hot: Temperatures messing with sex of Australian lizards
Hotter temperatures are messing with the gender of Australia's bearded dragon lizards, a new study finds.
Ecology
Jul 2, 2015
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Page 9 - News tagged with sex chromosome
DNA which only females have
In many animal species, the chromosomes differ between the sexes. The male has a Y chromosome. In some animals, however, for example birds, it is the other way round. In birds, the females have their own sex chromosome, the ...
Biotechnology
Jun 4, 2015
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Sex chromosomes—why the Y genes matter
Several genes have been lost from the Y chromosome in humans and other mammals, according to research published in the open access journal Genome Biology. The study shows that essential Y genes are rescued by relocating to ...
Biotechnology
May 27, 2015
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Cultivated papaya owes a lot to the ancient Maya, research suggests
A genetic study of papaya sex chromosomes reveals that the hermaphrodite version of the plant, which is of most use to growers, arose as a result of human selection, most likely by the ancient Maya some 4,000 years ago.
Biotechnology
Mar 17, 2015
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Sex, genes, the Y chromosome and the future of men
The Y chromosome, that little chain of genes that determines the sex of humans, is not as tough as you might think. In fact, if we look at the Y chromosome over the course of our evolution we've seen it shrink at an alarming ...
Biotechnology
Nov 14, 2014
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What's mighty about the mouse? For starters, its massive Y chromosome
An exhaustive effort to sequence the mouse Y chromosome reveals a surprisingly large and complex biological beast, at the same time providing remarkable insight into a heated battle for supremacy between mammalian sex chromosomes.
Biotechnology
Oct 30, 2014
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Researchers suggest 'Fragile Y Hypothesis' to explain chromosome loss
A UT Arlington research team says their study of genetic information from more than 4,000 beetle species has yielded a new theory about why some species lose their Y chromosome and others, such as humans, hang on to it.
Biotechnology
Jun 17, 2014
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Researchers map gene differences in yellow fever, malaria mosquitoes, to help prevent disease
(Phys.org) —Virginia Tech entomologists have developed a chromosome map for about half of the genome of the mosquito Aedes agypti, the major carrier of dengue fever and yellow fever.
Cell & Microbiology
Jun 17, 2014
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Evolutionary biologists glimpse early stages of Y-chromosome degeneration
In many species, the possession of X and Y chromosomes determines whether an individual develops into a male or female. In humans, for example, individuals who inherit their father's Y chromosome become male (XY), and individuals ...
Evolution
May 13, 2014
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Sex chromosomes have reverted to autosomes multiple times in flies
At the GSA Drosophila Research Conference, scientists will present evidence of many reversals of sex chromosome to autosomes in flies. They identified nine independently evolved sex chromosomes in a wider variety of fly species ...
Biotechnology
Mar 26, 2014
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