Can Animals Have Mental Disabilities? Mental health issues aren’t exclusive to humans—animals can experience them too. From ...

The evolution of many chromosomal features—from 'wannabe centromere' knob elements in maize to even bona fide centromeres on plant and animal chromosomes—can be explained by this simple process.

In humans and many other animals, specific chromosomes determine sex. But how did researchers discover these so-called sex chromosomes? Throughout the many observations that led to this conclusion ...

Dr. Kurt Benirschke founded the Frozen Zoo in 1975. “[His] interest in chromosomes led to studying zoo animals and banking ...

This must be a huge cost to the animal," Axel Meyer, an evolutionary biologist at the University of Konstanz, told Science Magazine. "All but one of this lungfish's 19 chromosomes is the size of ...

Others cells in your body contain 46 chromosomes: 23 from your father and 23 from your mother. Your egg (or sperm) cells contain only half that number—a total of 23 chromosomes. When an egg and ...