It is the year 1998, and the men and women sailors (inequal numbers) on the American ship the MedischolBounty have mutinied in the South Pacific and settledon the island of Bali Hai, where they have come intocontact with the local Polynesian population. Of the400 sailors that come ashore on the island, 324 haveMM blood type, 4 have the NN blood type, and 72 havethe MN blood type. Already on the island are 600Polynesians between the ages of 19 and 23. In thePolynesian population, the allele frequency of the Mallele is 0.06, and the allele frequency of the N allele is 0.94. No other people come to the island over thenext 10 years.a. What is the allele frequency of the N allele in thesailor population that mutinied?b. It is the year 2008, and 1000 children have beenborn on the island of Bali Hai. If the mixed population of 1000 young people on the island in 1998mated randomly and the different blood groupphenotypes had no effect on viability, how manyof the 1000 children would you expect to haveMN blood type?c. In fact, 50 children have MM blood type, 850 haveMN blood type, and 100 have NN blood type.What is the observed frequency of the N alleleamong the children?
It is the year 1998, and the men and women sailors (in
equal numbers) on the American ship the Medischol
Bounty have mutinied in the South Pacific and settled
on the island of Bali Hai, where they have come into
contact with the local Polynesian population. Of the
400 sailors that come ashore on the island, 324 have
MM blood type, 4 have the NN blood type, and 72 have
the MN blood type. Already on the island are 600
Polynesians between the ages of 19 and 23. In the
Polynesian population, the allele frequency of the M
allele is 0.06, and the allele frequency of the N allele is 0.94. No other people come to the island over the
next 10 years.
a. What is the allele frequency of the N allele in the
sailor population that mutinied?
b. It is the year 2008, and 1000 children have been
born on the island of Bali Hai. If the mixed population of 1000 young people on the island in 1998
mated randomly and the different blood group
of the 1000 children would you expect to have
MN blood type?
c. In fact, 50 children have MM blood type, 850 have
MN blood type, and 100 have NN blood type.
What is the observed frequency of the N allele
among the children?
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