An organism described as 2n=4 has the chromosomes below with genes indicated by letters and centromeres indicated by periods. Select the BEST description of the chromosome aberration present in this organism. EGHI.LNP El.LNP QT.VWZ QTWVZ Select one. O a. Pericentric Inversion O b. Homobrachial Displaced Duplication O c. Interstitial Deletion O d. Robertsonian Translocation O e. Reverse Tandem Duplication O f Terminal Deletion O g. Heterobrach al Displaced Duplication O h. Tandenm Duplication O Nonreciprocal Translocation 01 Reciprocal Translocation O k. Paracentric Inversion

An organism described as 2n=4 has the chromosomes below with genes indicated by letters and centromeres indicated by periods. Select the BEST description of the chromosome aberration present in this organism. EGHI.LNP El.LNP QT.VWZ QTWVZ Select one. O a. Pericentric Inversion O b. Homobrachial Displaced Duplication O c. Interstitial Deletion O d. Robertsonian Translocation O e. Reverse Tandem Duplication O f Terminal Deletion O g. Heterobrach al Displaced Duplication O h. Tandenm Duplication O Nonreciprocal Translocation 01 Reciprocal Translocation O k. Paracentric Inversion

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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An organism described as 2n=D4 has the chromosomes below with genes indicated by letters and centromeres indicated by periods. Select the BEST description of the chromosome aberration present in this organism. EFGKMN EF.GKMKMN RT.VXZ RT.VXZ Select one: O a. Robertsonian Translocation O b. Paracentric Inversion O c. Homobrachial Displaced Duplication O d. Reciprocal Translocation O e. Interstitial Deletion f. Reverse Tandem Duplication O g. Nonreciprocal Translocation O h. Heterobrachial Displaced Duplication Terminal Deletion Tandem Duplication O k. Pericentric Inversion
A somatic cell has the genotype DdEe. All chromosomes in this organism are metacentric. Show metaphase and the results of mitosis if the D and E locus are linked on the same chromosome in trans configuration. A sexually reproducing organism has the following phenotype DdEeAaTt: The D and E loci are on the same arm of a metacentric chromosome in cis configuration. The A locus is on the long arm of an acrocentric chromosome and the T locus is on a telocentric chromosome. 2.1. What is the haploid number of this organism? 2.2. Using diagrams show a ceii at metaphase of mitosis and show the results of mitosis.
Consider the arrangement of the following four normal chromosomes from some hypothetical organism where, of the centromere: A BCDEF GHIJ KLMNO For the following question indicate what type of chromosomal mutation has occurred. V.WXYYZ O a. Robertsonian translocation O b. Paracentric inversion O c. Reciprocal translocation PQ RSTU V WXYZ O d. Segmental duplication. Oe. Pericentric inversion , denotes the location 1 points Save Answer
A sexually reproducing organism has the following phenotype DdEeAaTt: The D and E loci are on the same arm of a metacentric chromosome in cis configuration. The A locus is on the long arm of an acrocentric chromosome and the T locus is on a telocentric chromosome. There are no other chromosomes. 1. What is the haploid number of this organism? 2. Using diagrams, show a cell at metaphase of mitosis and show the results of mitosis. Ensure you show the location of the gene loci on the different chromosomes.
Homologaus Chromasomes A= В. B = XX C = с. D = Centromere A. Sister Chromatids D. 7. Label the following terms/descriptions as either "Sister Chromatids", "Homologous Chromosomes," or "Both." (1 point each; 9 points total) a. Have identical DNA sequences b. Separate during meiosis c. Separate during mitosis d. Separate during meiosis I e. Separate during meiosis II f. One comes from the mother and the other from the father g. Are held together by cohesion h. Can undergo crossing over i. Are separated by the spindle
Using the symbols above: 1. Given: Adult diploid cell (2n = 8) 2. Show the condition of the chromosomes in the following Mitosis phases (illustrate): a. prophase b. metaphase c. anaphase d. telophase/cytokinesis
in the experiment of following chromosomal dna mvement througgh meiosis, why. do you use non-sister chromatids to demobstrate crossing over? what combinatiobns of alleles could result from a crossover between BD and bd chromosomes? Identify two ways that meiosis contributes to genetic recombination. Why is it necessary to reduce the number of chromosomes in gametes, but not in other cell?
An inversion heterozygote has the following inverted chromosome: Centromere ca a a A B CD JI HGF E, KL M Inverted region If a crossover occurred between genes H and I on one inverted and one normal chromosome, what would be the sequence of the dicentric chromosome before completion of metaphase I? A Cen B C D EFGHIJKL Cen M A Cen B C D JIHGFEKLM Cen JIH G F E Cen A Cen B C D JIHGFEDC B Cen A MLKEFGHIJKLM
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 Ff Gg Hh KK. The students must draw a cell at the end of telophase of mitosis, 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. kt a) Identify three mistakes the students made when producing this diagram. In your answer only refer to elements already present in the figure. b) This fly is used in a testcross. What is the probability of producing a fly with genotype ff Gg hh Kk?
An organism described as 2n=4 has the chromosomes below with genes indicated by letters and centromeres indicated by periods. Select the BEST description of the chromosome aberration present in this organism. HJM.NPQ HJM.NPQ S.TVXZ S.TVXXVZ Select one: 0 a. Paracentric Inversion O b. Reverse Tandem Duplication Oc. Robertsonian Translocation Od. Terminal Deletion e. Tandem Duplication Of. Nonreciprocal Translocation g. Interstitial Deletion Oh. Pericentric Inversion Homobrachial Displaced Duplication Oj. Heterobrachial Displaced Duplication Ok. Reciprocal Translocation
We have discussed meiosis in yeast. One ascus e one melotic event. Two haploid yeast strains are crossed together, one wild type, the other mutant for 2 linked genes. The resulting diploid strain undergoes melosis eventually (=many meiotic events > many asci). A. What will the results be if the 2 genes are very far away from each other (certainly more than 50 map units)? B. What will the results be if the two genes are right next to each other, "no distance at all, zero distance"? (Explain your answers). Results here are patterns of asci and their percentages. Like for example "50% tetratypes, 0% ditypes", etc. If you forgot what a ditype or a tetratype is, you can illustrate them like that.
The normal sequence of nine genes on a certainDrosophila chromosome is 123 • 456789, where the dotrepresents the centromere. Some fruit flies were foundto have aberrant chromosomes with the followingstructures:a. 123 • 476589 c. 1654 • 32789b. 123 • 46789 d. 123 • 4566789Name each type of chromosomal rearrangement, anddraw diagrams to show how each would synapse withthe normal chromosome.