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.
आज हर कोई जानता है कि जो गुण और लक्षण पीढ़ी - दर - पीढ़ी माँ - बाप से बच्चों में आते हैं, वे जीन्स की बदौलत ही आते हैं ।