Through the action of many genes that each contribute to the relative curliness of the hair, combined with environmental factors like nutrition and weather.
How is a human trait with continuous characteristic (like straight hair to curly hair) implemented?
Genes. They determine the way you look.
How is a human trait with continuous characteristic (like straight hair to curly hair) implemented?
Like going from Straight hair to Curly hair? That happend to me,
But only because I had surgery as a child that for some reason changed my hair texture
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