help with genetics problem

toodaloo

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help with genetics problem

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5. Below is an STR profile for four loci: D8S1179, D21S11, D7S820 and CSF1P0. In the figure below, the upper panel shows all of the identified alleles in the human population (eg. the D8S1179 locus has 12 different alleles) and the lower panel shows the STR profile of John Doe for these 4 loci.
a. What is the chance that someone else in the population has the same profile as John (1 mark)?
b. How many different gametes can John produce with respect to these 4 STR loci (1 mark)?

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