 # Need science help to calculate the frequencies of H and H alleles Anonymous
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### Question Description

HH = 25 Hh = 150 hh = 225

Calculate the frequencies of the H and h alleles. If these minnows were allowed to randomly mate and produced a population of 2000 individuals, how many minnows of each genotype do you expect to find in the offspring (assuming equal survivorship)?

psumanrec
School: Carnegie Mellon University   We have

Genotype frquency:-

HH ,p^2=25/(25+150+225)=25/400 =.0625

hh ,q^2=225/(25+150+225)=.5625

Hh,2pq =150/(25+225+150)=.375

Now,frequecny of H=p^2+1/2*2pq =.0625+.375/2 =.25

frequency of h=q^2+1/2*2pq =.5625+.375/2 =.75

Expected genotype frequency:

HH=.25^2 =.0625

hh=.75^2 =.5625

Hh=2*.25*.75=.375

Expected number of individual of each genotype

HH:.0625*2000 =125

Hh=.375*2000 =750

hh=.5625*2000=1125

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Tutor went the extra mile to help me with this essay. Citations were a bit shaky but I appreciated how well he handled APA styles and how ok he was to change them even though I didnt specify. Got a B+ which is believable and acceptable. Brown University

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