Suppose a population of 1000 people is in H-W equilibrium if 84% of this population can taste PTC, how many are heterozygotes, considering that ability to taste PTC is inherited as a dominant allele? a. 480 b. 400 c. 580
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- 1b.) Which is NOT commonly an effect of inbreeding in a population? a. an increase in the frequency of homozygous dominant individuals b. an increase in the frequency of homozygous recessive individuals c. an increase in the frequency of recessive genetic diseases d. better health and fertility of inbreds lines compared to lines that are not inbred.A farmer performs truncation selection to try to increase the weight of peaches in his orchard. Which statement correctly describes a possible outcome of this selection? a) If peach weight is not heritable, the average weight in the next generation will increase. b) If peach weight is heritable, the average weight in the next generation will increase. c) The average peach weight will decrease due to this inbreeding. If peach weight is heritable, the average weight in the next generation will decrease.Population genetics is the study of ________. a. how allele frequencies in a population change over time b. populations of cells in an individual c. the rate of population growth d. how genes affect embryological development
- In one species of finch, there are alleles for yellow color and red color, but neither of these alleles is dominant over the other. When a finch of this species has both of these alleles, its color is orange. If an orange finch is bred with a yellow finch, the phenotypes of the offspring will occur in what ratio? (Hint: Construct a Punnett square to help you answer this question.) A 1:1 ratio of yellow and orange A 1:2:1 ratio of yellow, orange, and red A 1:3 ratio of red and yellow A 1:1 ratio of orange and red In this species of finch, the alleles for color are an example of codominace or imcomplete dominance?Which statement illustrates the connection between natural selection and overreproduction of a population? a) populations vary in their inherited traits. b) species produce more offspring than can survive in the environment. c) individuals with inherited traits that promote survival tend to have more surviving offspring. d) individuals with traits that do not enhance survival cannot reproduce.What would happen to the allelic frequency of the deer population after their habitat was blazed in forest fire?
- Which statement about Inbreeding (=consanguinity) is correct? a. Inbreeding has no influence on the degree of homozygosity. b. Inbreeding increases the frequency of homozygotes in a population. c. Inbreeding improves the overall biological fitness of progeny. d. Inbreeding increases the frequency of heterozygotes in a population.Based on the a graph, why did the number of wolves increase?Can you explain how eugenics attempts to alter allele frequencies
- 1) 10,000 individuals are sampled from a population and are found to display one of three blood types: AA with 6800 individuals, AB with 2800 individuals and type BB with 400 individuals. a) What is the frequency of each genotype in the population? b) What is the frequency of the A allele? c) What is the frequency of the B allele? d) If the next generation contains 25,000 individuals, how many would have blood type BB, assuming the population is in Hardy-Weinberg Equilibrium?In a few short sentences, explain what Descent with Modification means. (Use your own words).In population genetics, evolution describes how ____ change from onegeneration to the next.a. individuals c. phenotype frequenciesb. allele frequencies d. communities