A new study that looked at gut length variation between cichlid fish species found that some of the genetic loci for the ...

ABOUT 5.7 MILLION men could have an autoimmune disease, according to a 2024 study published in the Journal of Clinical ...

Octopuses just stunned scientists again this time with their ancient and highly unique sex chromosomes. Unlike most animals, octopuses seem to possess a genetic system that predates our current ...

Well, it’s not. Hermit crabs have the most chromosomes of any animal with 254 or 127 pairs, while humans have 46 or 23 pairs. Each species has a specific number of chromosomes and they vary widely.

Astonishingly, this cephalopod Z chromosome originated more than 480 million years ago, making it the most ancient animal sex chromosome known. The findings were posted on the preprint server bioRxiv.

"All but one of this lungfish's 19 chromosomes is the size of the entire human genome, so it takes a lot of energy to copy that DNA. And the nucleus and cell that encase it must be bigger ...

Scientists Reconstructed a 52,000-Year-Old Woolly Mammoth’s DNA. Resurrection May Be Next. A fossilized chromosome offers incredible insights into the Ice Age beast.

News New woolly mammoth chromosome discovery could help with resurrection efforts The new finding could give insight into more than just the prehistoric animal’s genetic code.

The Y Chromosome Is Rapidly Evolving Faster Than the X Chromosome in Humans Genetic mutations are reshaping our family tree. By Darren Orf Published: Jun 19, 2024 8:00 AM EDT Save Article ...

The oldest-known sex chromosome emerged in octopus and squid between 455 million and 248 million years ago — 180 million years earlier than the previous record-holder, scientists have discovered.