Genetics (Zuzana Vítková; Eva Chocholová; Eliška Svobodová; Blanka Křížová; Zdena Brouš...)
We can see the fruits of genetics all around us. Just look at your siblings, parents, grandparents, or other relatives. You will always find some shared feature, which is typical for the given family and which has been inherited for many generations. Be it the colour of the eyes, the shape of the ears, ...
