In the steamy, often filthy world of the humble house fly, (the Musca domestica) clear division exists among the males of the species. Though not a civil war, there are differences, to be sure, between males in the north ...
Molecular & Computational biology
Sep 5, 2019
0
70
The auditory section of the inner ear, or the "cochlea," does not have the same shape from birth depending on whether one is a man or a woman. This is due to the torsion of the cochlear spiral, which differs based on gender, ...
Archaeology
Aug 5, 2019
0
43
The animal world has many weird and wonderful ways of having sex. Some animals, such as snails, are hermaphrodites—able to make both eggs and sperm simultaneously. Some, such as wrasses and parrot-fish, initially hatch ...
Plants & Animals
Aug 2, 2019
0
10
In certain turtle species, the temperature of the egg determines whether the offspring is female or male. But now, new research shows that the embryos have some say in their own sexual destiny: they can move around inside ...
Plants & Animals
Aug 1, 2019
0
2687
A gene that dictates which of three sexes a papaya tree will become, before seed germination, could spur a leap in the ultra-nutritious crop's production.
Plants & Animals
Apr 11, 2019
0
11
Most of us know that our biological sex is decided by the pairing of X and Y chromosomes during conception.
Ecology
Apr 24, 2018
0
128
If you eat fish in the U.S., chances are it once swam in another country. That's because the U.S. imports over 80 percent of its seafood, according to estimates by the United Nations. New genetic research could help make ...
Biotechnology
Apr 11, 2018
0
46
An organism's lifespan is known to be affected by its sex and diet, but where these two factors overlap biologically is not well understood. Researchers in Japan looked for clues in worms—C. elegans—that have two sexes: ...
Cell & Microbiology
Dec 26, 2017
0
18
Two new studies by Osaka University researchers provide insights on why male and female bodies of the same species differ. The studies show factors that regulate the expression of doublesex1, a gene responsible for the growth ...
Plants & Animals
Nov 8, 2017
0
5
How do the two sexes come about? The answer to this question is more complex than one would expect. Though sexual reproduction invariably depends on the presence of male and female individuals, the genetic basis of sex determination ...
Plants & Animals
May 12, 2017
0
3
