Calculating H for 3 alleles: p, q, r

p = 0.5

q = 0.4

r = 0.1

H = 2pq + 2qr + 2pr

= .40 + .08 + .10

= .58

pp

pq

pr

r

r

q

p

p

q

pq

qq

qr

pr

qr

rr

29a

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