What is the value of 2pq, the percentage of the population heterozygous for
white coat?

6

10

On the blank section below, show your working out for the above question. (On a
touch screen you can draw your answers by hand)

7

10

Again, show your working out for this final question. On the next question, put
your final answer (as a percentage) - what percent of the population are
heterozygous carriers of the recessive PKU allele?

8

10

What percentage of the population are carriers of the recessive PKU allele?

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