An accepted theory that chromosomes are the material of inheritance, and that they are associated in paternal-maternal pairings; dervied from the collective work of Boveri, Sutton, and Morgan.

Over a century ago, one part of our DNA got labelled the "sex chromosomes." Science and radio journalist Molly Webster explains the consequences of that oversimplification.

The findings were published in Cell Reports “Chromosome arm length, and a species-specific determinant, define chromosome arm width”.

X chromosome One of the two sex chromosomes in animals that are determined by the XX-XY system; the only sex chromosome in animals whose sex is determined by the XX-XO system.

Over a century ago, one part of our DNA got labelled the "sex chromosomes." Science and radio journalist Molly Webster explains the consequences of that oversimplification.