Today, it is known that characteristics you inherited from your parents and forebears ​ — such as your height, facial features, eye and hair color, and thousands of other traits — ​ were determined by your genes.
Mūsdienās mēs zinām, ka no vecākiem un tālākiem priekštečiem pārmantotās pazīmes, piemēram, auguma garumu, sejas vaibstus, acu un matu krāsu un tūkstošiem citu pazīmju, nosaka gēni.