Contexts: My mom is 4’11 and my dad is 5’6. I grew up to be 6’0, and so did my brother. My sister grew up to be 5’2, which seems more believable and normal.
As far as I know, my grandparents on both ends aren’t any taller than average. How is it that I came out taller than both my parents and what are the chances that my brother also comes out taller too? How does it work and how is height determined?
In: Biology
Your body growth has a lot more to do with the quality of food you had access to in your childhood than with your genetic disposition.
You can tell that by the general increase in median body height during the 20th century in many Western countries. They can’t have all have their genes modified… but they can all have access to higher quality nutrition.
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