How do you tell X chromosomes from Y chromosomes?

You pull down their genes.

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Tell Jokes More Tell Jokes

Who's there! Adam! Adam who?

Adam up and tell me the total!

What happens when a clown farts?

It smells funny. --As told to me by an Engineering lead... Much facepalm ensued.

Pull Jokes More Pull Jokes

Why are prosthetic limbs so in fashion?

Anyone can pull them off

How many vegetables should you pull out of the ground in one day?

None

Gene Jokes More Gene Jokes

Why is diarrhea hereditary?

Because it runs in your genes!

How do you tell X chromosomes from Y chromosomes?

You pull down their genes.

X Chromosome Jokes More X Chromosome Jokes

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

Pull down its genes.

How do you tell X chromosomes from Y chromosomes?

You pull down their genes.

Y Chromosome Jokes More Y Chromosome Jokes

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

Pull down its genes.

How do you tell X chromosomes from Y chromosomes?

You pull down their genes.