4 ms·
Genes that already provide a protective function alone but cause problems in combinations like 2 copies or with other similarly protective genes are naturally g
by yakak 4y ago
Genes that already provide a protective function alone but cause problems in combinations like 2 copies or with other similarly protective genes are naturally going to stay around but not become prevalent. A serious event or events creates a situation where these genes become common enough to hit the bad combinations much more often.
Naturally not everyone has type I diabetes and MS.
- Retric 4y agoSure, but again all that changed was a slight change in the frequency of this interaction not the existence of it. It’s simply not enough change at the population level to turn extremely rare genetic disorders into common problems.