The Y chromosome is gradually disappearing, predicting that men have a new sex gene
The sex of a fetus in humans and other mammals is determined by a male-determining gene on the Y chromosome.
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The sex of a fetus in humans and other mammals is determined by a male-determining gene on the Y chromosome.
Typically, 2,999 out of 3,000 calico cats are female. Male calico cats are extremely rare, and are mutated...
Research shows that spiders can manipulate the light rays of male fireflies caught in their webs to mimic the 'mating calls of females'
Killer whales, bonobos, African savannah elephants and leaf-cutter ants have one thing in common - they all rely on their offspring to survive and thrive.
A male humpback whale (Megaptera novaeangliae) swam 13,046 km from the Pacific Ocean to the Indian Ocean to increase its chances of mating, setting a new migration dista…
From 1974 to 1978, renowned primatologist Jane Goodall documented a long-standing conflict between chimpanzees in Gombe National Park in Tanzania.
After the female lion failed to attack the rhino, she left, leaving the male to become the target of the enemy's anger.
The carcass of a giant squid washed up on El Sablón beach, Llanes, in northern Spain last weekend.
A male student found a treasure worth 4.5 billion VND in an ancient tomb.
A new study has overturned the traditional notion that only female mosquitoes suck blood and transmit diseases.
The Natural History Museum London's 60th Wildlife Photography Awards selected the best images from 59,228 entries from 117 countries and territories.
A rare species of chicken that is extinct in the wild was suddenly discovered wandering around a home garden.
A large new analysis suggests some people carry a gene variant that makes them more likely to have daughters than sons.
In our world, there are also many species that have the ability to manipulate other species to serve their purposes. Let's find out which species they are!
Although modern technology has helped researchers learn more about giant squid, they still don't know much about why they get so big or how they mate and reproduce.