A team of researchers at University College London's Department of Genetics, Evolution and Environment has found that drive male, stalk-eyed flies do not suffer fertility reduction, despite losing half their sperm, by increasing ...
The structure of family groups gives animals an incentive to help or harm their social group as they age, new research shows.
Plants & Animals
Sep 26, 2022
0
109
The bacteria that reside in the human gut ("the gut microbiome") are known to play beneficial and harmful roles in human health. Because these bacteria are transmitted through milk, mothers can directly impact the composition ...
Plants & Animals
Sep 12, 2022
0
17
Why would having two sets of sex chromosomes instead of one benefit a particular species? In the case of one African cichlid fish, the answer may be as variable as the traits that their offspring display.
Plants & Animals
Apr 14, 2022
0
144
In the mosquito breeding rooms of British biotech company Oxitec, scientists line up fresh eggs, each the size of a grain of salt. Using microscopic needles, the white-coated researchers inject each egg with a dab of a proprietary ...
Ecology
Apr 12, 2022
2
1550
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
Without the benefits of evolutionary genetic variation that accompany meiotic reproduction, how does an asexual invasive species adapt over time to a new environment to survive? In all-female weevil species that produce only ...
Ecology
Jul 30, 2021
0
2285
A team of researchers from Uppsala University, the University of Cincinnati and the University of Toronto has found that there are benefits for female seed beetles mating with males with extra-long spiny genitalia. In their ...
Choosiness will lead to the best offspring. Being too choosy, however, could in the end result in no offspring at all. Female fruit flies have a solution to this dilemma.
Plants & Animals
Jun 22, 2021
0
12
Brown bears that are more inclined to grate and rub against trees have more offspring and more mates, according to a University of Alberta study. The results suggest there might be a fitness component to the poorly understood ...
Plants & Animals
May 12, 2021
0
117
