Why am I the only one in my family that has curly hair?

Curly hair is considered a “dominant” gene trait. Straight hair is considered “recessive.” To put that in simple terms, that means that if one parent gives you two curly haired genes and the other parent gives you a pair of straight-haired genes, you’ll be born with curly hair.

Why does my sister have curly hair and I have straight hair?

Your siblings having the long, straight hair has nothing to do with yours… it’s just genetics & it can’t be helped. When it comes to dominant or recessive genes, you never know what it is you will end up with. Genes skip a lot & you just interrited curly.

Why do I have curly hair when no one else in my family does?

Genetics. Curly hair (like blonde/red hair or blue/green/grey eyes) is recessive. Means you gotta inherit, at least, two copies of whatever ‘curly hair’ gene to show it.

What is more rare curly or straight hair?

Human hair comes with all sorts of colors, textures and shapes. Notably, African hair is more coiled and dry; Asian hair is straighter and thicker; and Caucasian hair is somewhere in between with around 45\% having straight hair, 40\% having wavy hair, and 15\% having curly hair.

Why is my hair curly but not straight?

One interesting fact about curly hair is that the gene for straight hair is recessive but that the curly hair gene is not completely dominant. That means you could have the curly hair gene but until it’s activated, your waves and curls will be dormant too. The most likely theory, in my opinion, is to do with your hormones.

Is curly hair dominant or recessive?

You’d think, with the size of the hair industry, there would be a conclusive answer to this question, but research is still underway and there are no decisive results. One interesting fact about curly hair is that the gene for straight hair is recessive but that the curly hair gene is not completely dominant.

Can you train your hair to be curly?

If there’s something that people with healthy curly hair know that the rest of the world does not, it’s the Curly Girl Method. This regimen will feel completely foreign to anyone who has straight hair. I used this method to “train” my hair to be curly in high school after I did a big chop — and my hair has been curly ever since.

Why is my hair curling up after puberty?

The change of muscle tone could affect the shape of your hair follicles and their direction of growth. Straight hair follicles grow straight out but curly hair follicles have a hook shape. With my hair, puberty was the when my curls decided to appear and this fits with the hormone changes.