need help with b, c, d the choices for c) are haploid, diploid or tetraploid the choices for d) are same chromosome, a pair of homologus chromosomes, or two different chromosomes
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I need help with b, c, d
the choices for c) are haploid, diploid or tetraploid
the choices for d) are same chromosome, a pair of homologus chromosomes, or two different chromosomes
![A population of grasshoppers shows variation in leg size. Leg size is controlled by two alleles at a single
locus: B and b. Grasshoppers with large legs are BB, grasshoppers with medium legs are Bb, and
grasshoppers with small legs are bb.
Pick the phrase that best completes each sentence:
a) Leg size in this grasshopper population is a genetically determined
* trait.
b) The two alleles at this locus ar v[ Select ]
alternative versions of the same gene
homologous chromosomes
the result of recombination during meiosis
c) These grasshoppers are tetrap
two different chromosomes
d) The two alleles at this locus are located on [ Select]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F688553c1-a29d-4d73-a765-adb59e2cd2b6%2F28320965-9d46-4199-883c-7c31b7be3eb9%2Fgc2d1i9_processed.png&w=3840&q=75)
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- If 120 of 200 alleles are dominant alleles, then what percentage of the alleles are dominant alleles? A-12% B-40% C-60% D-120% What percentage of the alleles are recessive alleles? E-8% F-40% G-60% H-80% Which of the terms of the Hardy-Weinberg equations represents the frequency of the recessive allele in the gene pool? A-p^2 B-p C-2pq D-q^2How Can We Measure Allele Frequencies in Populations? Drawing on your newly acquired understanding of the HardyWeinberg equilibrium law, point out why the following statement is erroneous: Because most of the people in Sweden have blond hair and blue eyes, the genes for blond hair and blue eyes must be dominant in that population.How Can We Measure Allele Frequencies in Populations? The MN blood group is a single-gene, two-allele system in which each allele is codominant. Why are such codominant alleles ideal for studies of allele frequencies in a population?
- Half of the worlds population eats rice at least twice a day. Much of this rice is grown in flooded conditions, and different strains of rice are tolerant (survive) or intolerant (die) under these conditions. Rice breeders used genetic crosses to test whether tolerance to flooding is a dominant trait. Researchers used three true-breeding flood-tolerant strains, FR143, BKNFR, and Kurk, and two true-breeding flood- intolerant strains, IR42 and NB, in the crosses. Results were obtained from three sets of crosses and are reported in the Table below: Results of cross of F1 to tolerant parent: F1 plants were crossed with the tolerant parent of the cross. Number of Plants Progeny Analyzed from Intolerant Tolerant Cross Alive Dead Total 1. F2 results of cross: IR42 FR13A 187 77 264 IR42 BKNFR 192 73 265 NB Kurk 142 52 195 2. Results of cross of F1 to intolerant parent: (F1 of IR42 FR13A) IR42 14 17 31 (F1 of IR42 BKNFR) IR42 15 10 25 (F1 of NB Kurk) NB 21 35 56 3. Results of cross of F1 to tolerant parent: (F1 of IR42 FR13A) FR13A 31 0 31 (F1 of IR42 BKNFR) BKNFR 28 0 28 (F1 of NB Kurk) Kurk 40 0 40 Do the data support the hypothesis that the tolerance trait is dominant? Justify your conclusion by explaining the results from each of the three sets of crosses in terms of genotypes and phenotypic ratios. Source: T. Setter et al. 1997. Physiology and genetics of submergence tolerance in rice. Annals of Botany 79:6777.In a population of flowers growing in a meadow, C1C1 and C2C2 are autosomal codominant alleles that control flower color. The alleles are polymorphic in the population, with ff (C1)(C1) = 0.8 and ff (C2)(C2) = 0.2. Flowers that are C1C1C1C1 are yellow, orange flowers are C1C2C1C2, and C2C2C2C2 flowers are red. A storm blows a new species of hungry insects into the meadow, and they begin to eat yellow and orange flowers but not red flowers. The predation exerts strong natural selection on the flower population, resulting in relative fitness values of C1C1C1C1 = 0.30, C1C2C1C2 = 0.60, and C2C2C2C2 = 1.0. A. Assuming the population begins in H−WH−W equilibrium, what is C1C1 allele frequency after one generation of natural selection? B.Assuming the population begins in H−WH−W equilibrium, what is C2C2 allele frequency after one generation of natural selection? C.You sample a population of 189 mule deer for ear length alleles and find that 32% have AA, 42% have AB, and 26% have BB. If the HWE expected frequencies are AA=28%, AB=50%, and BB=22%, is this locus in HWE?
- In corn, yellow kernel color is governed by a dominant allele for white color, W, and by its recessive allele, w, . A random sample of 100 kernels from a population that is in equilibrium reveals that 9 are yellow and 91 are white. What are the frequencies of the yellow and white alleles in this population? What is the percentage of the heterozygotes?You are studying a population of penguins in Antarctica. Your DNA analysis of this population reveals that for the feather color pattern gene, 35 individuals are homozygous dominant, 35 individuals are heterozygous, and 30 individuals are homozygous recessive. After observing this population for several years, you repeat your DNA study and find that the current generation of penguins has 15 individuals that are homozygous dominant, 10 individuals that are heterozygous, and 75 individuals that are homozygous recessive. Which of the following hypotheses for this data would be supported by this data based on your understanding of Hardy-Weinberg equilibrium? This population of penguins is maintaining Hardy-Weinberg equilibrium due to its large population size. The penguins are randomly choosing mates, which has led to Hardy-Weinberg equilibrium. The penguins are very isolated, which is preventing gene flow from affecting Hardy-Weinberg equilibrium. The recessive phenotype in…If the frequency of an allele at a locus of interest is 0.57, and we know there are only two alleles at this locus, what must be the frequency of the other allele?
- In a certain population of mice, a single gene controls fur color. There are two possible alleles: B, which leads to a black fur, and W, which leads to white fur. Individuals with the genotype BB will have a black fur, individuals with the genotype WW will have white fur, and individuals with the genotype BW will have gray fur. Scientists recorded the fur color of 1,000 mice from the population. They found that 200 mice have black fur, 400 have gray fur, and 400 have white fur. Ten years later, the measurements are repeated. Again, they recorded the fur color of 1,000 mice. They found that 400 have black fur, 400 have gray fur, and 200 have white fur. Part A: Show the Hardy-Weinberg calculations for the beginning and ending populations. Include the values for the equation as well as the p and q values. Show your work. Part B: Use the Hardy-Weinberg calculation to explain if this population is evolving or not. Then propose a hypothesis about the environment of these mice that would lead…We toss a fair coin 60 times and get the following initial population: s1 = 1111111111 s2 = 1111011111 s3 = 1110110111 s4 = 1101010111 s5 = 1110010101 s6 = 0100110000Apply Genetic algorithm using the following rules. i. After applying fitness and rearrangement, apply crossover between:a. s1’ and s4’ after 2nd gene.b. s2’ and s5’ after 3rd gene.c. s3’ and s6’ after 4th gene.ii. Consider your chromosome as x1x2x3x4x5x6x7x8x9x10a. Mutate x3 and x5 in the updated s1’.b. Mutate x4 and x9 in the updated s2’.c. Mutate x3 in the updated s3’.iii. The updated fitnesIn monkeys, black coat color (B) is dominant over brown color (b). A population of monkeys was found to be composed of 67 brown coated individuals and 119 black coated individuals. Based upon the Hardy‑Weinberg formula, what proportion of the population is expected to have the genotype BB? Based upon the Hardy‑Weinberg formula, what proportion of the population is expected to bave black coat color?
