Inheriting a normal and intact number of chromosomes in germ cells, egg and sperm, is essential for the preservation of all species. With increasing age, the risk of the egg cell not inheriting the ...

However, one plant — a South American beak-sedge called Rhynchospora tenuis — seems to represent a striking exception. Previous studies have reported that R. tenuis lacks crossover during male meiosis ...

Researchers have uncovered a "selfish" X chromosome in the fruit fly Drosophila testacea that manages to distort inheritance in both sperm and eggs. "But until now, we've only ever seen a particular ...

An unusual combination of chromosome organisation and selective inheritance enables a Brazilian sedge to maintain its genetic ...

Newswise — Changes in chromosome number are common in plants, but the direction of those changes is often difficult to reconstruct because ancestral forms are extinct or unknown. In Medicago, this ...

Duchenne muscular dystrophy (DMD) occurs as a result of genetic changes on the X chromosome. If someone has a gene change that can cause DMD, their children may inherit that change. DMD is a ...

Today, it is common knowledge in biology textbooks that "genes are made of DNA and are lined up on chromosomes."However, more ...

Sexual reproduction usually reshuffles genetic information, creating offspring that differ from their parents. But one small ...

Inheriting a normal and intact number of chromosomes in germ cells, egg and sperm, is essential for the preservation of all species. With increasing age, the risk of the egg cell not inheriting the ...