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 can you tell if a clock is hungry?

It goes back for seconds

Why did the lead acid battery have to tell the truth?

Because if it didn't it would be Li-ion.

Pull Jokes More Pull Jokes

What do bad dancers have in common with Michael J Fox trying to use the soft serve ice cream machine?

They both have a hard time pulling off a twist.

How are Jimmy Carter and the Long Island Railroad the same?

They both pull out of Roslyn every morning at 8:15.

Gene Jokes More Gene Jokes

Why did Steve hate being the youngest clone?

Because all his genes were hand me downs.

What do DNA and Diarrhea have in common?

They both run in your jeans (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

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.