How do you tell a boy chromosome from a girl chromosome?

Check their jeans.

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Check Jokes More Check Jokes

How does a tornado tell the time?

It checks the tornado watch.

How do you know a wood pieces history?

You check its logbook

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Why should you not tell jokes to sand paper?

It's a rough crowd ...Ba da bum chssh

How can you tell if a blonde has been using the computer?

There's whiteout on the screen.

Jean Jokes More Jean Jokes

How is Wolverine's love life similar to a mishap at the laundromat?

Someone else goes home with their Jeans.

What kind of jean's do Mario prefer?

Denim Denim Denim.

Girl Chromosome Jokes More Girl Chromosome Jokes

How do you tell a boy chromosome from a girl chromosome?

Check their jeans.

How do you tell the difference from a guy's chromosome and a girl's chromosome?

You pull down their gene's and have a look! Credit: I heard this from an older gentlemen today at a senior home.