The ability to taste PTC is due to a single dominant allele "T". You sampled 215 individuals in biology and determined that 140 could detect the bitter taste of PTC, and 75 could not. Calculate all of the potential frequencies. Assume Hardy-Weinberg equilibrium. The dry type of ear cerumen ("wax") is due to homozygosity for a simple Mendelian recessive. Among American Indians, the frequency of dry-cerumen individuals is 60 percent. What is the frequency of the recessive allele? Assume Hardy-Weinberg equilibrium.
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Determine the number of individuals who can taste PTC. = 215 Show more…
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The ability to taste the chemical PTC (phenylthiocarbamide) is determined in humans by a dominant allele T, with tasters having the genotypes Tt or TT and nontasters having the genotype tt. If 36% (36/100) of the members of a population in Hardy-Weinberg equilibrium cannot taste PTC, what is the frequency of the taster allele (T)? What proportion of this population is expected to be heterozygous (Tt)?
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The ability to taste phenylthiocarbamide (PTC) is due to a single dominant allele "T". You sampled 325 individuals for your biology class and determined that 220 could detect the bitter taste of PTC and 105 could not. a. What is the predicted frequency of the recessive allele (t)? Round your answer to 3 decimal places. (2 marks) b. What is the predicted frequency of the dominant allele (T)? Round your answer to 3 decimal places. (2 marks) c. Assuming Hardy-Weinberg Equilibrium, in a population of 10 000 people, how many would be i. heterozygous? (1 mark) ii. homozygous dominant? (1 mark) iii. homozygous recessive? (1 mark)
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