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  The Nobel Prize in Chemistry 2004
       
 
embryo
The most common reason for miscarriage is an error when the mother's and the father's chromosomes are to be separated in the formation of sex cells. Ubiquitin-marking plays an important role here. The picture shows a calf embryo.
 

How are sex cells formed?

The formation of sex cells, meiosis, like normal cell separation, mitosis, has many points of contact with the subject of this year's Nobel Prize. A certain E3 enzyme is responsible, among other things, for separating the chromosomes.

formation



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