Genetics test - mark scheme
Cystic fibrosis Huntington’s A. Recessive autosomal Dominant autosomal B. Recessive sex-linked Dominant sex-linked C. Dominant autosomal Recessive autosomal D. Dominant sex-linked Recessive sex-linked Describe 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...