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What causes variations in traits like hair color,eye color,and height

User Eje
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2 Answers

3 votes

DNA

A persons genetic traits is determined by the DNA that they recieve from their mother and father, They receive half their genes from their mom and half from their dad but not all of them show up.

User RedXIII
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3 votes
it can be caused by mutation
User NYRecursion
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