PLEASE SHOW ALL WORK ! THANK YOU !! About 30 percent of people do not recognize...
PLEASE SHOW ALL WORK ! THANK YOU !!
About 30 percent of people do not recognize the bitter taster on paper impregnated with PTC. Inability to taste is due to a single autosomal recessive gene. What is the frequency of the dominant and recessive allele at this taster locus? Then what are the genotypic frequencies for this data?
Homework Answers
Use Hardy-Weinberg equilibrium
p2+2pq+q2=1
p = frequency of the dominant allele in the population
q = frequency of the recessive allele in the population
p=?
q=0.30
p+q=1
p=1-q
= 1-0.30
= 0.70
Therefore, the expected frequency for dominant allele is 70%.
The expected frequency of recessive allele is 30%.
Substitute the values in the above equation:
= (0.70)2+2(0.70)(0.30)+(0.30)2
= 0.49+0.42+0.09
=1
Therefore, the genotypic frequencies of the data is 10%.
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