Genetics plays a role in determining physical characteristics from "summary" of El gen / The Gene: An Intimate History by Siddhartha Mukherjee
Genetics, a code inscribed in every human cell, exerts a profound influence on our physical traits. This code, comprised of DNA molecules, contains the instructions for building and maintaining our bodies. These instructions are passed down from one generation to the next, shaping our appearance and functioning. Physical characteristics such as eye color, hair texture, and height are all determined, to some extent, by our genetic makeup. These traits are inherited from our parents through a complex interplay of genes. Each gene carries information for a specific trait, and variations in these genes can lead to differences in physical appearance among individuals. F...
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