What type of selection does this graph show? This graph represents what type of selection?Mark only one oval.DirectionalStabalizingDisruptiveBio Semester 2 Study Guide↓X

Selection : is a process that causes groups of organisms to change with time in order to adapt the…

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Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Imagine you have a VERY large garden consisting of thousands of red-flowered individuals (recessive homozygotes rr) and just a few dozen white-flowered plants (genotypes either RR or Rr) of the same species. The garden is isolated from all other flower populations. What do you think will happen to the frequency of the white-flowered plants in your garden from year to year, assuming that the two phenotypes survive and reproduce equally well, that flower color is inherited as a dominant trait, and that pollinating insects make no distinction in flower color? Why?
Take a look at the small population of rock pigeons below. Rock pigeons have a Pattern gene located on one of their autosomal chromosomes that determines the dark color patterns on their wings. There are two alleles for wing pattern present in this population, B and b. The BB and Bb genotypes give rise to the "checkered" phenotype. The bb genotype gives rise to the "barred" phenotype. Use the information and the image above to answer the following questions. *You must enter all of your answers in the form of a numeral (for example, type "10" and not "ten") How many total alleles for wing pattern are there in the gene pool of this
Determine the gene order (which gene is in the middle?), as you were shown in exercises for Tutorial 6, showing all your work. Construct a genetic map for the three genes, including the map distances between them. Clearly indicate the logic you followed and show all your calculations. Include the full distance calculations for the two most distanced genes (do not just add the other 2 distances).
Can you explain genetic map with two point cross? And show me a example with the cross
Suppose researchers studied the first chromosome of a new species and mapped three genes of interest, indicated as a, b, and c. A three‑factor cross was performed and the number of gametes formed from the F2 generation was recorded in a table. Note that the order of genes in the table is arbitrary. Calculate the recombination frequencies for each given gene pair in map units. a+ b+ c+ a b c a b+ c+ a+ b c a b+ c a+ b c+ a b c+ a+ b+ c 173 176 35 33 11 10 3 1 After completing the gene mapping, the researchers treated individuals to induce inversions in the chromosomes. After treatment, another three‑factor cross was performed and the number of gametes formed from the F2 generation was recorded in a second table. Note that the order of genes in the table is arbitrary. a+ b+ c+ abc a b+ c+ ?+ b c a b+ c a+ b c+ a b c+ a+ b+ c 188 185 24 26 1 0 49 46 Calculate the recombination frequencies for each given gene pair in map units.
Differentiate genetic drift from genetic shift. What is genotype frequency? How do you get the genotype frequency? Give formula and cite example.
What is the difference between K-selected and r-selected populations?
In a series of mapping experiments, the recombination frequencies for four different linked genes of the Drosophila fly were determined, as shown in the figure. Based on this information, what is the most probable order of these genes on the chromosome? b 0 cn 90 rb 3.5 6.5 0 vg 19 9.0 16 0 b cn rb vg The numbers in the boxes are the recombination frequencies in between the genes (in percent). O b-rb-cn-vg O vg-cn-b-rb Orb-cn-vg-b b = black body cn = cinnabar eyes rb = reduced bristles vg = vestigial wings O vg-b-rb-cn
Assume that we want to minimize a function using evolutionary algorithm. For our coding process, we adopt a population of 6 chromosomes namely c1, c2, c3, c4, c5, and c6 where their corresponding fitness values are 5, 10, 11, 2, 7, and 17 respectively. For the next generation using the roulette wheel selection, the probability of selecting these chromosomes as one of the parent chromosomes, for chromosome c1 is for chromosome c2 is for chromosome c3 is for chromosome c4 is for chromosome c5 is and for chromosome c6 is
Of the two SNP allele frequency profiles shown below which one would have a higher FST value? Define FST and explain your amswer. SNP # 1 SNP # 2
a) Suppose the frequency of the recessive allele a for the recessive condition albinism is 0.2 Assume the Hardy-Weinberg distribution. ai) What is the frequency of albinism in the general population? aii) What fraction of the population are carriers? b) In a large population of mice, 0.58 have the recessive genetic condition rsiancer (fictional). Assume the Hardy-Weinberg distribution. What fraction of mice are carriers? Giver your answer with two digits parts the decimal point. c) In a large population of squirrels, 0.14 have the recessive genetic condition nlourianfilindr (fictional). Assume the Hardy-Weinberg distribution. What is the frequency of the dominant allele in this population? Give your answer with two digits parts the decimal point. d) In a large population of chimpanzees, there is a recessive genetic condition telactalase (fictional). Assume the Hardy-Weinberg distribution. If the frequency of dominant allele is 0.77 then what fraction of the population has…
Part A Why is mimicry evolutionarily advantageous (helpful/beneficial)? U =- E E XA PLAY

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