X and Y, girl or boy?

How to explain to a child the structure of the cells in the body? Or how our body fights viruses? And why do children look like their parents?
Good news for dads and moms: a curious child will be able to... read about all this and much more in the books "Genetics for Kids"!
The author of the series is Professor Patrick A. Boerle, a well-known scientist in the field of biochemistry and molecular biology.
And to make the book interesting and understandable for young readers, he was assisted by the experienced author of children's popular science books, Norbert Landa.

Thanks to this book, young researchers will learn how male and female cells combine during conception and how the genes inside each cell will affect the appearance of the new person.
And also how the combination of X and Y chromosomes will determine the sex of the future child.