For the MN-blood group system, the frequencies of M and N alleles ar 0.7 and 0.3 respectively. The expected frequency of MN-blood group bearing organisms is likely to be
1. 42%
2. 49%
3. 9%
4. 58%
(a) The expected frequecny of MN blood group bearings organisms is likely to be 42
According to Hard-Weingberg equation, p+2pq+q=1
Where, p=Frequency of M alleles,
p= Frequecny fo homozygous dominant individuals.
q=frequecny of N alleles
q=Frequecny of homozygous recessive individuals.
2Pq= Frequecny of heterozygous individuals.
So, (0.7)+(0.3)+2 pq=1
0.49+0.09+2 pq=1
2pq=0.42-Frequecny of heterozygous individuals.
ie, 42%
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