How do you tell an X chromosome from a Y chromosome?

Pull down its genes.

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Tell Jokes More Tell Jokes

How do you tell the difference?

I told him "It's easy! Julie has long blonde hair..." "..and Derek has a moustache"

Why didn't Ronda go to Prom?

she got Holm schooled told me to go here .

Pull Jokes More Pull Jokes

What film do you get when you pull your pants down?

Free Willy

How do you get your girlfriend to fart?

Pull out

Gene Jokes More Gene Jokes

What does DNA Helicase and a 16 year old boy have in common?

the both want to unzip your genes. if you didnt get it: https://ca.answers.yahoo.com/question/index qid=20121209104938AAKihOC

Why did the twins have twice as many shirts as pants?

Because they shared genes!

X Chromosome Jokes More X Chromosome Jokes

What's a nerdy way of saying a bad word?

A canine with two X chromosomes.

How do you tell X chromosomes from Y chromosomes?

You pull down their genes.

Y Chromosome Jokes More Y Chromosome Jokes

Why did Caitlyn Jenner have a differently spelled version of Caitlin?

Because she can't get rid of the Y chromosome

How do you tell an X chromosome from a Y chromosome?

Pull down its genes.