Why is diarrhea hereditary?

Because it runs in your genes!

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Run Jokes More Run Jokes

Why did Simba have trouble returning to Pride Rock?

He ran into trafiki.

Why can't you run through camp sites?

You can only ran because it's past tents.

Gene Jokes More Gene Jokes

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.

What did the perverted embryonic scientist say to the microscope?

Are those my genes because I can definitely see myself in them."