The Mediterranean Sea is home to some of the ocean's largest animals. Among the nine species of cetaceans commonly found along its western shores are the fin whale (Balaenoptera physalus, the world's ...

For sexual reproduction to yield healthy offspring, newly generated oocytes—immature egg cells—must receive the correct amount of DNA after cell division. This process of segregating chromosomes ...

Researchers created artificial kinetochore structures that reduce chromosome separation errors during meiosis in aging egg cells. By lowering microtubule pulling force, the approach helped maintain ...

For more than 50 years, scientists have been freezing living cells from endangered species. Here’s how the Frozen Zoo® is meaningfully reshaping conservation.

Researchers discovered that selfish chromosomes exploit the Overdrive gene to destroy competing sperm during development, ...

A new University of Utah-led study has discovered the mechanism behind a decades-old evolutionary mystery-how "selfish chromosomes" cheat the rules of genetic inheritance.

There is something like less than one chance in 10 billion that this kind of thing could occur," said one expert.

Mitochondria in plants can be inherited from the father more often than expected. The findings come from Wageningen ...

Once abundant in California, the white abalone had all but vanished. Now, thanks to an innovative breeding program, it’s staged a remarkable comeback ...

Mammalian oocytes utilize a conserved combination of cell cycle control, cytoskeletal organization, and polarity pathways that are fundamentally shared with other vertebrates and invertebrates.