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Genetics From Genes to Genomes Study Set 1

Biology

Quiz 13 :

Chromosomal Rearrangements and Changes in Chromosome Number

Quiz 13 :

Chromosomal Rearrangements and Changes in Chromosome Number

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What is the movement of part of one chromosome to another chromosome called?
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D

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What type of mutation adds material to the genome?
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B

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When a crossover occurs within the inversion loop of a pericentric inversion, each recombinant chromatid will have (Select all that apply. )
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B, C

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The type of mutation that results in a loss of material from the genome is called what?
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An individual with one normal homolog and one homolog with a deletion is called what?
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Which are possible results of an intragenic inversion (an inversion contained within a gene)? (Select all that apply. )
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Robertsonian translocations result from which of the following?
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Which type of mutation is most likely to result in lethality?
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Karyotypes generally remain constant within a species because
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Which process can cause duplications? (Select all that apply. )
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What are the four major classes of chromosomal rearrangements?
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Inversions may be difficult to detect because they
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In a deletion heterozygote, the normal chromosome will form what structure during prophase of meiosis I?
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In plants, genes E, F, and G are on one chromosome arm.Alternate dominant and recessive alleles of all three genes determine visible traits: E = normal leaf number, e = extra leaves, F = normal stems, f = furry stems, G = normal flower size, g = gigantic flowers.A plant that is heterozygous for an inversion involving all three genes is crossed to a plant with extra leaves, furry stems, and gigantic flowers.The arrangement of alleles is shown in the diagram.If you look at thousands of offspring of this cross, what phenotypes do you expect to see? img (Select all that apply. )
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Which of the following chromosomal rearrangements usually results in normal meiosis?
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An acentric fragment is one result of crossing-over between a normal chromosome and a chromosome that has undergone what kind of mutation?
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FISH analysis is likely to detect which type of change in DNA? (Select all that apply. )
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Which event could result in an inversion?
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What is a segment of DNA that can use transposase to move from one place in the genome to another called?
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Despite selection against chromosomal variations,
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