April 18, 2014 |
See complete forecast
Normally, children inherit one copy of a gene from mom and a second from dad. But children sometimes inherit a "silenced" copy of a gene, one programmed to be switched off. If something harms the remaining good gene, there's no backup.
Copy and paste the link:
Use the comment form below to begin a discussion about this content.
Commenting has been disabled for this item.
Find more businesses on Marketplace
Arts & Entertainment ·