The Student Room Group
Reply 1
Dominance and Recessiveness? And how that can hide diseases but then if you get interbreeding they emerge?
I think its got to do with genes being recessive and dominant ( a recessive gene controls a characteristic if a dominant gene is not there). And for instance if both parents carry sickle cell anaemia (recessive) the child would be unlikely to get it however if it was huntingtons disease (dominant) there would be a higher chance the child would get huntingtons disease.

Sorry if i dont make sense- but i tried lol :frown:
Also that genes dont blend but are carried on from gen. to next so the child of a parent with sickle cell anaemia could be a carrier of sickle cell anaemia

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