![](https://www.pdfsearch.io/img/dd2ea12ec85bdc325f386e5645d779d4.jpg) Date: 2018-03-22 10:52:55
| | Why did this happen? When children are conceived the genetic material is copied in the egg and sperm that makes a new child. The biological copying method is not perfect and occasionally random rare changes occur in the Add to Reading ListSource URL: www.rarechromo.orgDownload Document from Source Website File Size: 463,89 KBShare Document on Facebook
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