Tag: "masculinization" at biology news

The masculinization of the X chromosome: many genes for early male sperm production reside on the X chromosome

.In an entirely counterintuitive result, scientists have found that nearly half of all genes related to the earliest stages of sperm production reside not on the male sex (Y) chromosome as expected, but on the X chromosome, a chromosome universally thought of as the female sex chromosome. . .The finding, published in the April issue of Nature Genetics, comes as a big surprise and is causing scie...
(Date:10/22/2014)... Reinberg HealthDay Reporter , TUESDAY, ... weight and length may be showing a genetic propensity for ... certain genes have been linked to increased body fat, but ... and lean muscle, the researchers said. At 1 year, ... ages 2 and 3, however, these genes were linked to ...
(Date:10/22/2014)... Salamon HealthDay Reporter TUESDAY, ... conventional in vitro fertilization (IVF) -- the incubation of embryos ... a device inside the vagina, new research suggests. Scientists ... called an INVOcell, might sharply cut costs for pricey IVF ... more accessible to those who don,t live near big-city assisted ...
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(Date:10/20/2014)... (PRWEB) October 20, 2014 ASCNYC ... organization that helps New Yorkers living with HIV/AIDS ... toward health, housing, recovery and self-sufficiency. Each year, ... the local community through their tireless efforts. , ... Marc Shapses , has been selected as this ...
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