Homework Answers
Ans. (c) Directional selection
In population genetics, it is considered as a mode of positive naural selection in which the extreme phenotypes are supported over the average phenotypes and this causes the allele frequency to shift over times in a particular direction. The classic example of directional selection is the peppered moth evolution in England prior to the industrial revolution.
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in the evolution lab what time of selection applied to the
population of light and dark...
In the Evolution lab what type of selection applied to the population of white and dark...
In
the Evolution lab what type of selection applied to the population
of white and dark moths living in white background.
Question 20 2 pts In the Evolution lab, what type of selection applied to the population of white and dark moths living in a white background? Stabilizing selection O Directional selection O Disruptive selection
Use the Natural Selection interactive, select the light brown background, and advance the interactive until the...
Use the Natural Selection interactive, select the light brown background, and advance the interactive until the end of the trial. Considering the inheritance of color in these beetles, could the population of beetles ever be composed of only light brown beetles? The entire population of beetles could be light brown because directional selection will occur and one allele will be favored over the other. The entire population of beetles could be light brown because their increased fitness In the O...
37.E Coli evolve rapidly via natural selection. Specifically, which of the 3 steps of natural selection...
37.E Coli evolve rapidly via natural selection. Specifically, which of the 3 steps of natural selection accounts for small mutations improving efficiency, ultimately allowing E. Coll to eat citrate? a. Potentiation b. Acclimation c. Actualization d. Refinemente. Rearrangement 38. Pocket mice with different coat colors living in 2 distinct habitats in the Sonoran Desert are an example of which type of natural selection? a. Directional b. Stabilizing c. Disrupting d. Correlating e. None of the above 39. Explain how natural...
1) What is the letters A-H represent? 2) What type of evolution (convergent, coevolution, gradualism, disruptive...
1) What is the letters A-H represent?
2) What type of evolution (convergent, coevolution, gradualism,
disruptive selection or stabilizing selection) was responsible for
creating the symbiotic relationship between B & F?
3) What reaction(Glycolysis, Krebs Cycle, ETC) does letter D
enter?
4) Do all reactions (Glycolysis, Oxidation of pyruvate, Krebs
Cycle, ETC) create chemical H?
Reaction C GOLD Water Water Reaction G
Part B - How does this research relate to your biology course? The following graph shows...
Part B - How does this research relate to your biology course? The following graph shows the frequency distribution of a heritable trait -- fur color -- in a hypothetical deer mouse population. The x-axis represents variation in fur color from light to dark. The y-axis represents the percentage of individuals in the population with each particular color of fur. 333 There are three ways in which natural selection can alter the frequency distribution of a heritable trait, such as...
LLL LULUI AL SOLULIUI 1. What are the four criteria (refer to your lecture notes) that...
LLL LULUI AL SOLULIUI 1. What are the four criteria (refer to your lecture notes) that must be met in order for natural selection to result in the evolution of a phenotypic trait? Also, explain why a trait evolves in a population as a result of these 4 criteria being met (in other words, provide a clear and detailed explanation of why the Irequency of a phenotypic trait would increase across generations as a result of these 4 criteria being...
Evolution: (taken from "Easier Being Green" in National Geographic) The oblong-winged species of katydids was discovered in 1770's. Although the majority of katydids are green, a frac...
Evolution: (taken from "Easier Being Green" in National Geographic) The oblong-winged species of katydids was discovered in 1770's. Although the majority of katydids are green, a fraction displays unique bright colors of yellow, orange and hot pink. Entomologists belief the colors are symptoms of erythrism, an anomaly similar to albinism. Although the hot pink color is the dominant trait, these individuals are by far the fewest in number, closely followed by the orange and yellow. The green katydids, even though...
11. Determine the color and the absorbance of the light and dark cuvettes at time. a....
11. Determine the color and the absorbance of the light and dark cuvettes at time. a. Be quick when performing these steps; b. Mix/invert/wipe and insert each cuvette into the Smer-20 to determine absorbance at 550 nm (Asso) [make sure you have pre-blanked spectrophotometer). c. Determine the color/pH by comparing the color of the Co, indicator in your cuvette to the provided Indicator Color Guide. d. Start keeping track of time. e. Immediately re-cover the dark cuvette and position the...
In the gene pool of a population with 132 individuals, a fixed allele for a particular...
In the gene pool of a population with 132 individuals, a fixed allele for a particular genetic locus has a frequency of Select one: O a. 1 O b. More information is needed to determine this. O c. 0.75 O d.o O e. 0.5 Which of the following does not have the ability to alter allele frequencies? Select one: O a. gene flow O b. inbreeding O c. genetic drift O d. natural selection O e. All of these have...
aa are the light ones, what are the dark ones ? they are either AA or...
aa are the light ones, what are the dark ones ? they
are either AA or Aa or either
4 Pedigree Anal x + structure.com/courses/23649/quizzes/134645/take Question 1 0.2 pts da ? ? +1 104? $5 $6 O #8 ? ? Given that darkened shapes are either AA or Aa and light shapes are aa identify the genotypes of the Individuals indicated. a
In
the Evolution lab what type of selection applied to the population
of white and dark moths living in white background.
Question 20 2 pts In the Evolution lab, what type of selection applied to the population of white and dark moths living in a white background? Stabilizing selection O Directional selection O Disruptive selection
Use the Natural Selection interactive, select the light brown background, and advance the interactive until the end of the trial. Considering the inheritance of color in these beetles, could the population of beetles ever be composed of only light brown beetles? The entire population of beetles could be light brown because directional selection will occur and one allele will be favored over the other. The entire population of beetles could be light brown because their increased fitness In the O...
37.E Coli evolve rapidly via natural selection. Specifically, which of the 3 steps of natural selection accounts for small mutations improving efficiency, ultimately allowing E. Coll to eat citrate? a. Potentiation b. Acclimation c. Actualization d. Refinemente. Rearrangement 38. Pocket mice with different coat colors living in 2 distinct habitats in the Sonoran Desert are an example of which type of natural selection? a. Directional b. Stabilizing c. Disrupting d. Correlating e. None of the above 39. Explain how natural...
1) What is the letters A-H represent?
2) What type of evolution (convergent, coevolution, gradualism,
disruptive selection or stabilizing selection) was responsible for
creating the symbiotic relationship between B & F?
3) What reaction(Glycolysis, Krebs Cycle, ETC) does letter D
enter?
4) Do all reactions (Glycolysis, Oxidation of pyruvate, Krebs
Cycle, ETC) create chemical H?
Reaction C GOLD Water Water Reaction G
Part B - How does this research relate to your biology course? The following graph shows the frequency distribution of a heritable trait -- fur color -- in a hypothetical deer mouse population. The x-axis represents variation in fur color from light to dark. The y-axis represents the percentage of individuals in the population with each particular color of fur. 333 There are three ways in which natural selection can alter the frequency distribution of a heritable trait, such as...
LLL LULUI AL SOLULIUI 1. What are the four criteria (refer to your lecture notes) that must be met in order for natural selection to result in the evolution of a phenotypic trait? Also, explain why a trait evolves in a population as a result of these 4 criteria being met (in other words, provide a clear and detailed explanation of why the Irequency of a phenotypic trait would increase across generations as a result of these 4 criteria being...
Evolution: (taken from "Easier Being Green" in National Geographic) The oblong-winged species of katydids was discovered in 1770's. Although the majority of katydids are green, a fraction displays unique bright colors of yellow, orange and hot pink. Entomologists belief the colors are symptoms of erythrism, an anomaly similar to albinism. Although the hot pink color is the dominant trait, these individuals are by far the fewest in number, closely followed by the orange and yellow. The green katydids, even though...
11. Determine the color and the absorbance of the light and dark cuvettes at time. a. Be quick when performing these steps; b. Mix/invert/wipe and insert each cuvette into the Smer-20 to determine absorbance at 550 nm (Asso) [make sure you have pre-blanked spectrophotometer). c. Determine the color/pH by comparing the color of the Co, indicator in your cuvette to the provided Indicator Color Guide. d. Start keeping track of time. e. Immediately re-cover the dark cuvette and position the...
In the gene pool of a population with 132 individuals, a fixed allele for a particular genetic locus has a frequency of Select one: O a. 1 O b. More information is needed to determine this. O c. 0.75 O d.o O e. 0.5 Which of the following does not have the ability to alter allele frequencies? Select one: O a. gene flow O b. inbreeding O c. genetic drift O d. natural selection O e. All of these have...
aa are the light ones, what are the dark ones ? they
are either AA or Aa or either
4 Pedigree Anal x + structure.com/courses/23649/quizzes/134645/take Question 1 0.2 pts da ? ? +1 104? $5 $6 O #8 ? ? Given that darkened shapes are either AA or Aa and light shapes are aa identify the genotypes of the Individuals indicated. a
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