News tagged with reproduction

DNA which only females have

In many animal species, the chromosomes differ between the sexes. The male has a Y chromosome. In some animals, however, for example birds, it is the other way round. In birds, the females have their own sex chromosome, the ...

dateJun 04, 2015 in Biotechnology
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Evolution puts checks on virgin births

It seems unnatural that a species could survive without having sex. Yet over the ages, evolution has endowed females of certain species of amphibians, reptiles and fish with the ability to clone themselves, and perpetuate ...

dateApr 17, 2015 in Plants & Animals
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