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
It may soon be possible to coax human skin cells into becoming functional eggs and sperm using a technique known as "in vitro gametogenesis." This involves the creation (genesis) of eggs and sperm (gametes) outside the human ...
Cell & Microbiology
Dec 15, 2023
0
9
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
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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
Migration often serves as an arena for conflicting values. In this context, religious groups, civil society organizations and local authorities often show a more liberal attitude than the state. The political scientist Julia ...
Social Sciences
Oct 6, 2022
1
2
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
Researchers at the Centre for Genomic Regulation (CRG) in Barcelona have identified a potential new diagnostic marker that predicts the successful and efficient development of mammalian egg cells. The findings could pave ...
Cell & Microbiology
May 23, 2022
0
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