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.
Dewasa ini, diketahui bahwa berbagai ciri yang Saudara warisi dari orang tua dan nenek moyang Saudara — seperti tinggi badan, raut wajah, warna mata serta rambut, dan ribuan ciri lain — ditentukan oleh gen Saudara.