(PhysOrg.com) -- New insights into the biology of the platypus and echidna have been published, providing a collection of unique research data about the world's only monotremes.
Plants & Animals
Nov 2, 2009
0
0
Cornell researchers have discovered a genetic mechanism in fruit flies that prevents two closely related species from reproducing, a finding that offers clues to how species evolve.
Biotechnology
Oct 26, 2009
3
0
University of Maryland biologists have genetically mapped the sex chromosomes of several species of cichlid (pronounced "sick-lid") fish from Lake Malawi, East Africa, and identified a mechanism by which new sex chromosomes ...
Plants & Animals
Oct 1, 2009
0
0
Scientists have long suspected that the sex chromosome that only males carry is deteriorating and could disappear entirely within a few million years, but until now, no one has understood the evolutionary processes that control ...
Evolution
Jul 17, 2009
11
0
Whether baby lizards will turn out to be male or female is a more complicated question than scientists would have ever guessed, according to a new report published online on June 4th in Current Biology. The study shows that ...
Plants & Animals
Jun 4, 2009
0
0
(PhysOrg.com) -- Move over, Y chromosome - it's time X got some attention. In the first evolutionary study of the chromosome associated with being female, University of California, Berkeley, biologist Doris Bachtrog and her ...
Cell & Microbiology
Apr 16, 2009
1
0
University of Nevada School of Medicine scientists in the Department of Physiology and Cell Biology have discovered insight into the reproductive workings of the male sex chromosome that may have significant implications ...
Cell & Microbiology
Apr 9, 2009
0
0
Incipient sex chromosomes have been found in New Zealand's eponymous export, the kiwifruit. Researchers writing in the open access journal BMC Genomics have mapped the kiwifruit genome and pin-pointed the sex-determining ...
Cell & Microbiology
Mar 9, 2009
0
0
Inbreeding can unexpectedly extend male lifespan. Insect experiments described in the open access journal BMC Evolutionary Biology have shown that, in seed beetles, inbreeding causes males to live longer, while shortening ...
Feb 6, 2009
0
1
