How do you tell X chromosomes from Y chromosomes?

You pull down their genes.

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Tell Jokes More Tell Jokes

What do you want for your birthday?

Me: You could get me a "world's best dad" mug. 4: You told me not to lie.

How can you tell which nurse is the head nurse at a hospital?

She's the one with the dirty knees.

Pull Jokes More Pull Jokes

What do a woman and a grenade have in common?

Pull off the ring and the house is gone.

What do you call people who use the pull out method as form of birth control?

Parents.

Gene Jokes More Gene Jokes

Why did Steve hate being the youngest clone?

Because all his genes were hand me downs.

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

Pull down its genes.

X Chromosome Jokes More X Chromosome Jokes

How do you tell X chromosomes from Y chromosomes?

You pull down their genes.

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

Pull down its genes.

Y Chromosome Jokes More Y Chromosome Jokes

How do you tell X chromosomes from Y chromosomes?

You pull down their genes.

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

Pull down its genes.