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AQA · GCSE · Biology · Higher

Identifying a heterozygous parent

Q03.2 1 mark

AKU is a genetic disorder. Figure 3 shows the inheritance of AKU in one family.

Figure 3
Figure 3

Figure 3

Enlarged question image

Figure 3

Which person is definitely heterozygous for AKU? Tick one box.

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  1. 1 Selects G.