Siemowit Forum Newbie
Topics: 2 Posts: 2
| | 12/23/07 - 05:39 AM  
 
   
 
|   #1 |
Only a small percentage of the embryos survive the injection of a foreign gene. Scientists know that embryo wont survive before they put it into the mother ? Or they know it only after putting the embryo into the mother ?
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