Homework Answers
Answer - Mutation
Explanation - Mutation is the change in genetic sequence and heritable in nature. Generation 2 is an example of mutation because we can the heritable change in DNA that resulted into formation of new allele. Natural selection is the term applied for selection of fittest or in other words selection of those organisms which have more reproduction rate and more survival rate i.e. when antibiotic applied red type phenotype get naturally selected. Genetic drift is the mechanism in which allele frequencies change over the generation due to chance. Hardy weingberg equilibruim is the state when genetic frequencies remain same over generations in ideal conditions like no mutation, random mating etc.
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What occurred in the red bacterial cell in generation 2? (Click on the one correct answer.)...
It is exceedingly rare for all the Hardy-Weinberg assumptions to be met in nature.
It is exceedingly rare for all the Hardy-Weinberg assumptions to be met in nature. Evolution is a change in allele frequencies in a population over time, so a population in Hardy-Weinberg equilibrium is not evolving. Match the following terms with the most correct statement. Each of these relates to evolutionary forces or conditions that violate the Hardy- Weinberg assumptions. (Each term only matches to one statement). Genetic drift - Migration - Inbreeding - 4 Mutation - Natural selection - Nonrandom mating a. Does...
need some help with worksheet View Help Open in Desktop App Tell me what you want...
need some help with worksheet
View Help Open in Desktop App Tell me what you want to do B ov A A .. Ev Ev E A Style 16. In the Hardy-Weinberg equation, p+2pq-1, 2pg represents the frequency of SS) homozygous recessive individuals. TT)homozygous dominant individuals. UU)heterozygous individuals. Whomozygous recessive and heterozygous Individuals ww) homozygous dominant and heterozygous individuals. 17. At Hardy-Weinberg equilibrium, allele frequencies XX)change from one generation to the next so evolution occurs YY)remain constant from one generation...
QUESTION 4 1 points Save Answer One metric of genetic diversity in a population is heterozygosity,...
QUESTION 4 1 points Save Answer One metric of genetic diversity in a population is heterozygosity, i.e., the frequency of heterozygotes. For the marker(s) that are not in Hardy-Weinberg equilibrium, does the difference between Ho and He indicate increased or decreased heterozygosity for those markers? Increased heterozygosity Decreased heterozygosity QUESTION 5 2 points Save Answer Select all the mechanisms of evolution that could explain the deviations from H-W expected frequencies for those markers, based on the difference in heterozygosity? Selection...
Use the following information to answer the next question Five conditions are required to maintain the...
Use the following information to answer the next question Five conditions are required to maintain the Hardy-Weinberg equilibrium in a population 1. Closed population 2. Large population 3. Random mating 4. No net mutations 5. No natural selection If any of these conditions is not being met the allele frequencies in the population will change, leading to microevolution in the population Match each of the followi scenarios to the Hardy-Weinberg condition that is NOT being met: An increase in antibiotic...
i'm not sure which of these are right, but this is what I was guessing An...
i'm
not sure which of these are right, but this is what I was
guessing
An allele exists at a frequency of 0.7 in its population. Assuming the population is in Hardy-Weinberg equilibrium, what will its frequency be in the next generation? A.0.7 B. 1.0 003 0.0.21 E: 0.42 > Moving to the next question prevents changes to this answer. Question 5 of 9 Which of the following is a deterministic force of population change? O A. Random mating. B....
Two people who are “carriers” of (heterozygous) for Tay Sachs disease marry and plan a family....
Two people who are “carriers” of (heterozygous) for Tay Sachs disease marry and plan a family. What is the probability that a child from this union will suffer from Tay Sachs disease. (Recall that this is an autosomal recessive disorder, that is, homozygous recessives have the disease.) a. Zero b. 0.25 c. 0.5 d. 0.75 e. 1.0 6. At Hardy-Weinberg equilibrium, heterozygotes are the most common genotype in the population when- a. b. c. d . p> 0.67 q>0.67 and...
A mutation in one of the hemoglobin genes causes sickle cell anemia. The sickle cell allele,...
A mutation in one of the hemoglobin genes causes sickle cell anemia. The sickle cell allele, S, severely reduces fitness in people who are homozygotes, SS. In contrast, people with at least one normal hemoglobin allele, A, do not suffer the effects of sickle cell anemia, even if the individual is a heterozygote, AS. Interestingly, in areas with high rates of malaria, a single Sallele confers some resistance to malarial infection. Suppose there is a population with the observed and...
1. Which of the following is FALSE? A. If a genetic disease reduces fertility and the...
1. Which of the following is FALSE? A. If a genetic disease reduces fertility and the allele that causes the disease offers no other advantage, the allele will likely eventually disappear, due to natural selection. B. Natural selection does not favor individuals who are homozygous for the sickle-cell allele, because these individuals typically die before they are old enough to reproduce. C. Individuals who are heterozygous HbA/HbS are protected from malaria, and this is why sickle-ce disease persists in wetter,...
2. Hardy-Weinberg Equilibrium; chi-square test Sickle cell anemia is a recessive disorder caused by a recessive...
2. Hardy-Weinberg Equilibrium; chi-square test Sickle cell anemia is a recessive disorder caused by a recessive mutation (S) in the b-hemoglobin gene. 80% of affected SS individuals die before reproducing. Heterozygotes (AS) and homozygous dominant (AA) individuals do not have sickle cell anemia. The table below shows the number of people of each genotype in a population of 100 people in population of Cameroon. Observed # individuals in a Cameroon population AA AS SS 62 32 6 What are the...
Biology question DNA part 2 6. Which is the difference between microevolution and macroevolution? Select one:...
Biology question DNA part 2 6. Which is the difference between microevolution and macroevolution? Select one: a. microevolution affects bacteria and macroevolution affects larger organisms. b. microevolution happens slowly and macroevolution happens quickly. c. microevolution affects up to 100 base pairs and macroevolution affects chromosomes. d. microevolutionary changes are small, and macroevolutionary changes are large. 7. Darwin bred pigeons to have particular traits. Today people breed dogs, cats, horses, and other animals for the same reason. These activities illustrate: Select...
need some help with worksheet
View Help Open in Desktop App Tell me what you want to do B ov A A .. Ev Ev E A Style 16. In the Hardy-Weinberg equation, p+2pq-1, 2pg represents the frequency of SS) homozygous recessive individuals. TT)homozygous dominant individuals. UU)heterozygous individuals. Whomozygous recessive and heterozygous Individuals ww) homozygous dominant and heterozygous individuals. 17. At Hardy-Weinberg equilibrium, allele frequencies XX)change from one generation to the next so evolution occurs YY)remain constant from one generation...
QUESTION 4 1 points Save Answer One metric of genetic diversity in a population is heterozygosity, i.e., the frequency of heterozygotes. For the marker(s) that are not in Hardy-Weinberg equilibrium, does the difference between Ho and He indicate increased or decreased heterozygosity for those markers? Increased heterozygosity Decreased heterozygosity QUESTION 5 2 points Save Answer Select all the mechanisms of evolution that could explain the deviations from H-W expected frequencies for those markers, based on the difference in heterozygosity? Selection...
Use the following information to answer the next question Five conditions are required to maintain the Hardy-Weinberg equilibrium in a population 1. Closed population 2. Large population 3. Random mating 4. No net mutations 5. No natural selection If any of these conditions is not being met the allele frequencies in the population will change, leading to microevolution in the population Match each of the followi scenarios to the Hardy-Weinberg condition that is NOT being met: An increase in antibiotic...
i'm
not sure which of these are right, but this is what I was
guessing
An allele exists at a frequency of 0.7 in its population. Assuming the population is in Hardy-Weinberg equilibrium, what will its frequency be in the next generation? A.0.7 B. 1.0 003 0.0.21 E: 0.42 > Moving to the next question prevents changes to this answer. Question 5 of 9 Which of the following is a deterministic force of population change? O A. Random mating. B....
A mutation in one of the hemoglobin genes causes sickle cell anemia. The sickle cell allele, S, severely reduces fitness in people who are homozygotes, SS. In contrast, people with at least one normal hemoglobin allele, A, do not suffer the effects of sickle cell anemia, even if the individual is a heterozygote, AS. Interestingly, in areas with high rates of malaria, a single Sallele confers some resistance to malarial infection. Suppose there is a population with the observed and...
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