The sex chromosomes in birds are designated Z and W, and the male is the homomorphic sex (ZZ) and the female heteromorphic (ZW). In most avian species the Z chromosome is a large chromosome, usually ...

The highly unusual “semi-identical” Australian twins reported last week are the result of a rare event. It’s thought the brother and sister (who have identical genes from their mother but not their ...

Birds-of-paradise are a group of songbird species, and are known for their magnificent male plumage and bewildering sexual display. Now, an international collaborative work involving Dept. of ...

Researchers have discovered the largest known avian sex chromosome. The giant chromosome was created when four chromosomes fused together into one, and has been found in two species of lark.

Occurring in the genomes of most living organisms, transposable elements (TEs) are short DNA sequences that have the ability change their position. By means of various molecular mechanisms – so-called ...

The chromosomes of finches born from older fathers have traits associated with a shorter life expectancy than the finches conceived by younger dads, revealed a new study published online in the ...

Don't miss the big stories. Like us on Facebook. QUECHEE — Anyone who has visited the Vermont Institute of Natural Science Nature Center for up-close experiences with owls, hawks and other raptors may ...

The signs of aging show up in our genes as the protective caps on the ends of packets of our DNA, called chromosomes, gradually wear away over time. Now, scientists have found that the length of these ...

THE complete sequence of the human X chromosome was published in Nature this week. The work shows that large segments of it match parts of normal chromosomes in birds, confirming the X chromosome’s ...

CINCINNATI (WKRC) - A recent study found that female mammals live longer than males across the board, prompting multiple theories as to why. The study, published in Science Advances on Wednesday, ...