At least three pigment cell types from multiple layers of skin contribute to the color patterns of male guppies, according to a study published in PLOS ONE on January 22, 2014 by Verena Kottler from the Max Planck Institute ...
Plants & Animals
Jan 22, 2014
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The Y chromosome is a symbol of maleness, present only in males and encoding genes important for male reproduction. But live mouse offspring can be generated with assisted reproduction using germ cells from males with the ...
Biotechnology
Nov 21, 2013
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The Y chromosomes of cattle have more genes and are more active than the Y chromosomes of other primates, according to researchers.
Biotechnology
Jul 11, 2013
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Sexually naïve male mice respond differently to the chemical signals emitted by newborn pups than males that have mated and lived with pregnant females, according to a study published March 20 in The Journal of Neuroscience. ...
Plants & Animals
Mar 19, 2013
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(Phys.org)—A single mutation in a moth gene has been shown to be able to produce an entirely new scent. This has been shown in a new study led by researchers from Lund University in Sweden. In the long run, the researchers ...
Plants & Animals
Feb 19, 2013
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It is well known that many mammals are able to adjust the ratio of male and female young depending on the surrounding conditions at the time of conception. A recent study in the group of Christine Aurich at the University ...
Plants & Animals
Dec 18, 2012
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Veterinary pathologists on Thursday blamed liver disease brought on by insufficient oxygen for the sudden death of a six-day-old baby panda born at the National Zoo in Washington last month.
Plants & Animals
Oct 11, 2012
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Research led by The University of Nottingham has opened up a new area of malaria parasite biology which could lead to new methods of controlling the transmission of this deadly disease.
Cell & Microbiology
Sep 27, 2010
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UCSF researchers have identified an elusive molecular regulator that controls the ability of human sperm to reach and fertilize the egg, a finding that has implications on both treating male infertility and preventing pregnancy.
Cell & Microbiology
Feb 4, 2010
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Reproductive researchers from the University of Pennsylvania and The Children's Hospital of Philadelphia have succeeded in isolating and transplanting pure populations of the immature cells that enable male reproduction in ...
Cell & Microbiology
Dec 15, 2009
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