- - Take two balloons, hold them side by side, then twist the whole thing in the middle
- - Genetic unit that you learn about in a biology class
- - Genetic structure found in human cells
- - It's found in pairs in females
- - Almost every man in the world has one
- - It occurs in pairs in females
- - Gender factor
- - Gift from one's mother, and perhaps from one's father
- - Sex determinant
- - A man has to have one
- - Gender determinant
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