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Which of the following is an inaccurate statement

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45)Which of the following is an inaccurate statement about crossing-over?45) ______A)Crossing-over is preceded by a process known as synapsis, where homologouschromosomes attach to each other.B)Crossing-over results in greater genetic variability in offspring.C)Crossing-over occurs between sister chromatids.D)Crossing-over occurs during prophase I when homologous chromosomes line up prior toseparation.E)In humans, crossing-over results in genetic recombination.
46)Crossing-over between sister chromatids does not result in recombination of genetic material,while crossing-over between nonsister chromatids does because46) ______
47)All but which one of the following results from nondisjunction?47) ______
48)During which stage of meiosis will the pairs of homologous chromosomes line up?48) ______
49)You are looking at a cell under a microscope and see what appears to be several "X" structuresbeing pulled to each side of the cell. What stage of meiosis are you looking at?49) ______A)anaphase IB)prophase IC)prophase IID)metaphase IE)anaphase II
50)Which of the following is a characteristic of someone with Down syndrome?50) ______

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Term
Spring
Professor
MCCRARY

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