Researchers have discovered the genetic basis for a quirk of the animal kingdom—how ant queens produce broods that are entirely male or female.
Plants & Animals
Dec 14, 2021
0
28
Unlike humans, sea turtles and other reptiles like crocodiles do not have sex chromosomes. Their sex is defined during development by the incubation environment. In sea turtles, sex is determined by the nest's temperature: ...
Plants & Animals
Apr 7, 2020
0
50
By mating with nearly 100 males, queen bees on isolated islands avoid inbreeding and keep colonies healthy.
Plants & Animals
Apr 16, 2012
0
0
Using a multigenerational experiment UTS research has shown for the first time that when reef fish parents develop from early life at elevated temperatures they can adjust their offspring gender through non-genetic and non-behavioural ...
Mar 27, 2015
0
22
Parents who are exposed to predators pass on information about risky environments to their offspring through changes in gene expression—but how that information affects offspring differs depending on the sex of the parent. ...
Evolution
Mar 30, 2021
0
15
In 1999, Danish homosexuals were granted access to stepchild adoption, and after the 2001 general election, legislation to improve homosexuals' rights was introduced in the Danish Parliament. In the subsequent negotiations ...
Social Sciences
Apr 15, 2013
2
0
Sex pheromones are chemical compounds released by an organism to attract potential mates. For moths in particular these sex pheromones are very important for mate recognition, as they rely completely on scent signal rather ...
Plants & Animals
Mar 14, 2019
0
28
Scientists have shown that sex-specific differences in variability depend on individual physical and physiological features in mice, debunking competing theories that either males or females are more variable.
Plants & Animals
Nov 17, 2020
0
5
Scientists in the UK have observed a fascinating new fact about sex changing fish: the direction of sex change has implication for population numbers.
Plants & Animals
Aug 22, 2017
0
7
Shrimp fed on marine algae grown in acidic water do not undergo a sex change that is a characteristic part of their reproductive life-cycle, report Mirko Mutalipassi and colleagues at Stazione Zoologica Anton Dohrn in Italy ...
Environment
Jun 26, 2019
0
0
