How is it possible that some Caucasian people have very curly hair

What is it like being an Asian with naturally wavy/curly hair? How many Asians do you know that has this type of hair? - Quora

Why don't Chinese people usually have curly hair? - Quora

How can an Irish Caucasian woman have Afro style hair? Does it mean she must have unknown African ancestors? Is there a gene that codes for the hair type? - Quora

How is it possible that some Caucasian people have very curly hair? - Quora

Can white people have curly hair naturally? - Quora

What race or ethnicity does curly hair come from? - Quora

Can white people have curly hair naturally? - Quora

Why do redheads have curly hair? - Quora

I have wavy/curly hair and ancestry DNA told me I have naturally straight hair. Does that mean that straight hair was/is in my genes? I'm so confused. - Quora

Why don't Chinese people usually have curly hair? - Quora

Why do people consider Latinos who have 3b curly hair and deep tan skin Afro-Latin? - Quora

Does a white person with very curly hair have the 'right' texture for dreadlocks, or is the definition different? - Quora