Male and female mouse brains differ in important ways, according to a new study led by Stanford Medicine investigators.
Plants & Animals
Jan 21, 2022
10
298
Female fruit flies can feel when a sexual partner is a good fit. Scientists have long known that proteins in a male fly's ejaculate make female flies temporarily lose interest in other partners. It's a trick male flies use ...
Plants & Animals
May 6, 2019
0
114
Scientific dogma has long asserted that females are born with their entire lifetime's supply of eggs, and once they're gone, they're gone. New findings by researchers at Fred Hutchinson Cancer Research Center, published online ...
Cell & Microbiology
Aug 27, 2009
0
0
Mutations that disrupt development of germ cells cause infertility or birth defects. Mutations that cause female infertility in humans, such as mutations in the gene BMP15, also cause infertility in zebrafish. However, female ...
Cell & Microbiology
Jan 22, 2024
0
45
Human sex chromosomes originated from a pair of autosomes, the ordinary or non-sex chromosomes that contain the majority of our genome and come in identical pairs. That ancestral pair of autosomes diverged to become two different ...
Molecular & Computational biology
Dec 15, 2023
2
1197
To date it has been unclear exactly how the sex of a bee is determined. A research team from Heinrich Heine University Düsseldorf (HHU) including biologists and chemists has now identified a key gene and the molecular mechanism ...
Plants & Animals
Oct 4, 2023
0
93
Warmer temperatures are known to make more turtle eggs become female hatchlings, but new research out of Duke University shows that those females also have a higher capacity for egg production, even before their sex is set.
Molecular & Computational biology
Jun 23, 2023
0
1081
More than 2,500 genes exhibit significant sex differences in expression in mouse alveolar type II cells (AT2s), which are important for keeping the lungs functioning, potentially explaining sex biases in the prevalence and ...
Cell & Microbiology
Jan 12, 2023
0
13
Scientists have known that sex-determination in vertebrates happens in the germ cells, a body's reproductive cells, and the somatic cells, the cells that are not reproductive cells. Yet they have not fully understood the ...
Plants & Animals
Sep 9, 2022
0
72
The first large-scale cellular map of gonadal developmental in both sexes has been created by researchers at the Wellcome Sanger Institute, as part of the Human Cell Atlas initiative to map all cell types in the human body.
Cell & Microbiology
Jul 7, 2022
0
19
