Assume Hardy-Weinberg conditions. In the American Caucasian population approximately 70% of people can taste the chemical phenylthiocarbamide (PTC) (the dominant phenotype), while 30% are non-tasters (the recessive phenotype). Determine the expected frequency of: Round up your answer to the nearest 100th. If your answer is 0.4, put 0.4. Both 0.40 and .4 will be graded as incorrect answers. homozygous recessive phenotype (²) a) b) the recessive allele (q) c) the dominant allele (p) d) homozygous tasters (p²) e) heterozygous tasters (2pq)

Assume Hardy-Weinberg conditions. In the American Caucasian population approximately 70% of people can taste the chemical phenylthiocarbamide (PTC) (the dominant phenotype), while 30% are non-tasters (the recessive phenotype). Determine the expected frequency of: Round up your answer to the nearest 100th. If your answer is 0.4, put 0.4. Both 0.40 and .4 will be graded as incorrect answers. homozygous recessive phenotype (²) a) b) the recessive allele (q) c) the dominant allele (p) d) homozygous tasters (p²) e) heterozygous tasters (2pq)

Biomedical Instrumentation Systems

1st Edition

ISBN:9781133478294

Author:Chatterjee

Publisher:Chatterjee

Chapter13: Artifacts And Noise In Medical Instrumentation

Section: Chapter Questions

Problem 7P

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Instruction: Fill up the table by computing the dominant alleles, recessive alleles and the Hardy-Weinberg equilibrium result of each generation. Lastly, make a short conclusion below. Show the complete solution. Hardy-Weinberg Equilibrium Generation Dominant allele Recessive allele 1 35 65 2 50 50 3 73 27 Conclusion:
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. Certain people are able to taste the chemical phenylthiocarbamide (PTC) when it is present in wet filter paper. These people are called 'tasters'. Others are unable to detect PTC and have the 'nontaster' phenotype. PTC tasting is an example of variation in sensory perception, and the genetic basis is thought to be rather simple. The ability to taste PTC is attributed to a dominant allele, denoted T, located on chromosome 7. The recessive allele is designated t. From analysis of pedigrees, 259 taster children and 278 non taster progeny were observed where one parent was heterozygous and could 'taste' PTC and the other parent was a 'nontaster'. Does this data set support the suggestion that his variation is due to a simple Mendelian pattern?
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Example 3.5.7 Fish Vertebrae Consider the distribution of vertebrae given in Table 3.5.1. In Exam- ple 3.5.5 we found that the mean of Y is µy = 21.49. The variance of Y is VAR(Y) = of = (20 – 21.49) x Pr{Y = 20} 21) %3D + (21 – 21.49)? x Pr{Y + (22 – 21.49)? x Pr{Y = 22} + (23 – 21.49) x Pr{Y = 23} = (-1.49) x 0.03 + (-.49) x 0.51 + (0.51) x 0.40 + (1.51)² × 0.06 = 2.2201 x 0.03 + .2401 x 0.51 + .2601 x 0.40 + 2.2801 x 0.06 = 0.066603 + 0.122451 + 0.10404 + 0.136806 = 0.4299. The standard deviation of Y is ay = V0.4299 - 0.6557. %3D
Phenylthiocarbamide (PTC) is an organic compound that either tastes extremely bitter or is tasteless, depending on the genotype of the taster. The tasting allele (T) is dominant over the non-tasting allele (t). Normal skin pigmentation (N) is dominant over albinism (n). (It is important to note that this example of PTC tasting cannot be explained with simple genetics, but for the purpose of this question, assume that it can.) A normally-pigmented woman who cannot taste PTC has an albino father. The woman married an albino man who can taste PTC and whose mother cannot taste PTC. For the married couple, 1. correctly identify their genotypes, 2. complete a Punnett square showing the expected offspring of the couple, and 3. identify the genotypic and phenotypic ratios of their offspring
Phenylthiocarbamide (PTC) is an organic compound that either tastes extremely bitter or is tasteless, depending on the genotype of the taster. The tasting allele (T) is dominant over the non-tasting allele (t). Normal skin pigmentation (N) is dominant over albinism (n). (It is important to note that this example of PTC tasting cannot be explained with simple genetics, but for the purpose of this question, assume that it can.) A normally-pigmented woman who cannot taste PTC has an albino father. The woman married an albino man who can taste PTC and whose mother cannot taste PTC. For the married couple, 1. correctly identify their genotypes, 2. complete a digital Punnett square showing the expected offspring of the couple, and 3. identify the genotypic and phenotypic ratios of their offspring
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About 70% of Canadians get a bitter taste from the chemical phenyl thiocarbamide (PTC), while the other 30% do not. The ability to taste this chemical (T) is a dominant characteristic, while taste-blindness to it is recessive (t). Tongue-rolling ability is dominant (R), while the inability to roll the tongue is recessive (r). A tongue-rolling woman who is taste-blind for PTC has a father who could not roll his tongue but could taste the PTC chemical. She marries a man who can taste PTC but cannot roll his tongue. His mother was taste-blind to the chemical. Show the possible children this couple could produce.
The following data for the genotypes at the alcohol dehydrogenase locus were observed from a sample of Drosophila melanogaster. Sample size 1000 FF 550 FF=0.55; FS=0.34; SS=0.11 O F-0.72; S=0.28 FF=0.078; FS=0.40; SS=0.52 FS What are the Hardy-Weinberg equilibrium genotype frequencies for each genotype based upon this sample? OFF=0.52; FS=0.40; SS=0.078 340 SS 110