The planned changes include reinstating a version of chromosome testing that was discontinued in the 1990s, requiring athletes who compete in the female category to submit to a cheek swab or dry blood ...

Genders can be distinguished according to the sex chromosome karyotype, gonadal structure, external genital organ shape, and secondary sexual characteristics. According to the morphology of the vulva, ...

By designing 21 oligo probes, each targeting a specific chromosome, the researchers successfully mapped the karyotype of 10 cultivated alfalfa varieties. Their work not only provided a ...

This important study capitalizes on the sophisticated genetics available in the Drosophila system and uses a combination of methodologies to start to tease apart how polyphosphate participates in ...