Answers

2014-07-16T17:06:28+05:30
Rodents are in the habit of tearing substances because the have a gene in them named HOXB8 which leads them to do thisĀ 
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hope htis will help plz mark as best
2014-07-17T16:09:37+05:30
They have a habit because a pair chromosomes is passed there body from there body which leads this .
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