Arabidopsis thaliana is a diploid plant model organism with 2n = 10. Please select thenumber options to match the following:%3Dnumber of copies of eachgene an Arabidopsisthaliana leaf cell has1 vnumber of chromosomes anArabidopsis thaliana leafcell contains1. two2. fivenumber of chromosomes an1 vArabidopsis thalianagamete cell contains3. tenpairs of homologouschromosomes anArabidopsis thaliana leafcell contains2.

Name: Arabidopsis thaliana is a diploid plant model organism with 2n = 10.
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Description: Arabidopsis thaliana is a diploid plant model organism with 2n = 10. Please select thenumber options to match the following:%3Dnumber of copies of eachgene an Arabidopsisthaliana leaf cell has1 vnumber of chromosomes anArabidopsis thaliana leafcell

Arabidopsis thaliana belongs to the brassica family which is related to many other important plants…

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Arabidopsis thaliana is a diploid plant model organism with 2n number options to match the following: 10. Please select the %3D number of copies of each gene an Arabidopsis thaliana leaf cell has 1 number of chromosomes an Arabidopsis thaliana leaf cell contains 1. two number of chromosomes an 2. five Arabidopsis thaliana gamete cell contains 3. ten pairs of homologous chromosomes an 2 Arabidopsis thaliana leaf cell contains

Arabidopsis thaliana is a diploid plant model organism with 2n number options to match the following: 10. Please select the %3D number of copies of each gene an Arabidopsis thaliana leaf cell has 1 number of chromosomes an Arabidopsis thaliana leaf cell contains 1. two number of chromosomes an 2. five Arabidopsis thaliana gamete cell contains 3. ten pairs of homologous chromosomes an 2 Arabidopsis thaliana leaf cell contains

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter3: Transmission Of Genes From Generation To Generation

Section: Chapter Questions

Problem 24QP: Meiosis Explains Mendels Results: Genes Are on Chromosomes The following diagram shows a...

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A woman who sought genetic counseling is found to be heterozygousfor a chromosomal rearrangement between the second andthird chromosomes. Her chromosomes, compared to those in anormal karyotype, are diagrammed on the next page:(a) What kind of chromosomal aberration is shown? (b) Using a drawing, demonstrate how these chromosomeswould pair during meiosis. Be sure to label the differentsegments of the chromosomes.(c) This woman is phenotypically normal. Does thissurprise you? Why or why not? Under what circumstancesmight you expect a phenotypic effect of such arearrangement? The woman in above problem has had two miscarriages. Shehas come to you, an established genetic counselor, with thesequestions:(a) Is there a genetic explanation of her frequent miscarriages?
A woman who sought genetic counseling is found to be heterozygousfor a chromosomal rearrangement between the second andthird chromosomes. Her chromosomes, compared to those in anormal karyotype, are diagrammed on the next page:(a) What kind of chromosomal aberration is shown? (b) Using a drawing, demonstrate how these chromosomeswould pair during meiosis. Be sure to label the differentsegments of the chromosomes.(c) This woman is phenotypically normal. Does thissurprise you? Why or why not? Under what circumstancesmight you expect a phenotypic effect of such arearrangement? The woman in above problem has had two miscarriages. Shehas come to you, an established genetic counselor, with thesequestions:(a) If not, what is the chance that she could have a normalchild? Provide an informed response to her concerns
. Chromosome 3 of corn carries three loci (b for plant-color booster, v for virescent, and lg for liguleless). A testcross of triple recessives with F1 plants heterozygous forthe three genes yields progeny having the followinggenotypes: 305 + v lg, 275 b + +, 128 b + lg, 112 + v +,74 + + lg, 66 b v +, 22 + + +, and 18 b v lg. Give the genesequence on the chromosome, the map distances between genes, and the coefficient of coincidence.
Consult Figure 4, which shows the distribution of chromosome segregation for a cell with genotype M/m; B/b. For each panel, state whether the illustration is possible for mitosis, meiosis I, meiosis II, or not possible for the genotype. Assume no crossing over. Panel A: Possible during mitosis Possible during meiosis I Possible during meiosis II Not possible for the stated genotype Panel B: Possible during mitosis Possible during meiosis I Possible during meiosis II Not possible for the stated genotype
Progeny of triploid tomato plants often contain parts of an extra chromosome, in addition to the normal complement of 24 chromosomes (J. W. Lesley and M. M. Lesley. 1929. Genetics 14:321–336). Mutants with a part of an extra chromosome are referred to as secondaries. James and Margaret Lesley observed that secondaries arise from triploid (3 n), trisomic (3 n + 1), and double trisomic (3 n + 1 + 1) parents, but never from diploids (2 n). Give one or more possible reasons that secondaries arise from parents that have unpaired chromosomes but not from parents that are normal diploids.
Consult Figure 4, which shows the distribution of chromosome segregation for a cell with genotype M/m; B/b. For each panel, state whether the illustration is possible for mitosis, meiosis I, meiosis II, or not possible for the genotype. Assume no crossing over. Panel C: Possible during mitosis Possible during meiosis I Possible during meiosis II Not possible for the stated genotype Panel D: Possible during mitosis Possible during meiosis I Possible during meiosis II Not possible for the stated genotype
Rose plants are octoploid (octo = 8). Gametes from a rose plant contain 40 chromosomes. Indicate which of the following are TRUE statements. Select 3 correct answer(s) The gametes from a rose plant are diploid. The basic chromosome number of a rose plant cell is 40. The number of chromatids in a rose plant cell at G2 of the cell cycle is 160. The number of chromatids in a rose plant cell at G2 of the cell cycle is 80. The gametes from a rose plant are tetraploid. The basic chromosome number of a rose plant cell is 10. Rose plants are aneuploid.
During a practical, a group of biology students are tasked to study the cell cycle of an insect. This insect has the karyotype 2n=6, with genotype Aa Bb Ee HH. The students must draw a G2 cell about to enter meiosis, using red lines for maternal chromosomes, blue lines for paternal chromosomes and black dots to represent centromeres. The drawing provided by the students is shown below. a) Identify three mistakes the students made when producing this diagram. In your answer only refer to elements already present in the figure. (3) b) This fly is used in a testcross. What is the probability of producing a fly with genotype Aa bb ee Hh?
The genotype of F1 individuals in a tetrahybrid cross isAaBbCcDd. Assuming independent assortment of these fourgenes, what are the probabilities that F2 offspring will have thefollowing genotypes?(a) aabbccdd(b) AaBbCcDd(c) AABBCCDD (d) AaBBccDd(e) AaBBCCdd
A diploid species has 3 pairs of chromosomes in the somatic cells. In males, the first pair is large submetacentric; the second is medium acrocentric, and the third is small telocentric. In females, the first two pairs are like those of the males while the third is large metacentric with satellite. Illustrate the karyograms of the following: a. A triploid cell in femalesb. tetrasomic cell in malesc. tetraploid cell in females
A woman who sought genetic counseling is found to be heterozygousfor a chromosomal rearrangement between the second andthird chromosomes. Her chromosomes, compared to those in anormal karyotype, are diagrammed on the next page:(a) What kind of chromosomal aberration is shown?
A cytogeneticist has collected tissue samples from members of acertain butterfly species. Some of the butterflies were located inCanada, and others were found in Mexico. Through karyotyping,the cytogeneticist discovered that chromosome 5 of the Canadianbutterflies had a large inversion compared with chromosome 5 ofthe Mexican butterflies. The Canadian butterflies were inversionhomozygotes, whereas the Mexican butterflies had two normalcopies of chromosome 5.Explain whether a mating between Canadian and Mexicanbutterflies would produce phenotypically normal offspring?