Genetics jokes

Once upon a time, fraternal twins, brother and sister, with almost 100% equal DNA were separated at birth. At the age of 42, they were married, had 2 sons and 2 daughters. They took an ancestryDNA test, and the results were scientifically sexually shocking.

Why can't two Chinese people have a white baby? Because two "wongs" don't make a "white."

I'm related to diarrhea; it runs in my jeans.

What number is better; 46 or 47?

I don't know, ask the kid with Down syndrome.

My sister said that I need to stop with the audited butt:

I got it from her when I was born.

If Kenny had a son, we all know he would also be his brother.

Touch Down.

How do you tell if a loaf of bread has Down Syndrome?

It has an extra crumb-osome.

Two Asian people have a black baby.

Something wrong.

This person has Down syndrome.

Right, I have a dog and his name is Syndrome, and whenever he is good, I go "Good Syndrome," but whenever he is naughty, I go "Down Syndrome."

Why can’t two Asians make a white kid?

Because two wrongs don’t make a white.

Your sister is your mother.

Your father is your brother.

You all shag one another.

The Inbred family.

Your hairline is so far back that my father couldn't even reach the store in time before it grew!

Mom: They say our kid neighbor has blue blood.

Son: Really?

Also 2 hours later:

Son: Mom, the kid doesn't have blue blood.

Mom: Son, I-

I told one of my friends, "You're the reason why gene pools have lifeguards."

What do you call a white person from Africa?

Albino.

Life has ups and downs, and they had downs.

Yo, hairline go so far back that your dad found it before you did.

Roses are red, violets are blue. I was born pretty, what happened to you?