Genetics test - mark scheme

IB Biology: Genetics test - mark scheme

Cystic fibrosisHuntington’sA.Recessive autosomalDominant autosomalB.Recessive sex-linkedDominant sex-linkedC.Dominant autosomalRecessive autosomalD.Dominant sex-linkedRecessive sex-linkedDescribe how you could use plants like this to investigate the effect of the concentration of a rooting hormone in the water in the bottle on the growth of roots. Include details of the number of plants, the control of variables and...


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