Meiosis - CSCC
Quiz yourself by thinking what should be in
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| In 1882, Pierre-Joseph van Beneden, was surprised to find the same number of chromosomes in all cells of the roundworm Ascaris. A) True B) False | show 🗑
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| show | diploid
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| An organism reproduces either sexually or asexually but not both.A) True B) False | show 🗑
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| In the sexual life cycle, there is an alternation of diploid and haploid phases. A) True B) False | show 🗑
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| _____________ cells are genetically identical to the zygote from which they originated. A) Somatic B) Germ-line C) Body D) All of the above | show 🗑
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| show | fertilization
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| show | Interphase
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| show | prophase I
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| During ____________, the random orientation of the chromosomes results in a shuffling of the chromosomes so that each daughter cell that results has a different combination of parental chromosomes. | show 🗑
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| Meiosis II is simply a mitotic division involving the products of meiosis I, except that the sister chromatids are not genetically identical as they are in mitosis. A) True B) False | show 🗑
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| At the end of meiosis II, each of the haploid cells contains ________ of every chromosome in the set. | show 🗑
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| __________________ draws homologous chromosomes together all along their lengths creating an opportunity where two homologues can physically exchange portions of themselves. | show 🗑
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| Reduction division produces diploid gametes thus ensuring that the chromosome number remains the same as the parents, following fertilization. A) True B) False | show 🗑
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| show | True
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| show | the second meiotic division
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| Sexual reproduction increases genetic variability through A) independent assortment B) crossing over C) random fertilization D) all of the above | show 🗑
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| show | True
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| Reproduction that involves the alternation of meiosis and fertilization is called asexual reproduction. A) True B) False | show 🗑
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| Organisms that reproduce by mitotic division are practicing sexual reproduction. A) True B) False | show 🗑
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| show | germ cells went through meiosis; the egg and sperm only have half the parental chromosomes.
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| show | 23
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| In organisms that have sexual life cycles there is a time when there are | show 🗑
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| show | randomly separate the homologous pairs, called independent assortment.
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| show | separate the duplicated sister chromatids.
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| During which stage of meiosis does crossing over occur? | show 🗑
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| show | homologous chromosomes become closely associated.
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| show | make diploid cells/make haploid cells
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| show | has a lot of genetic reassortment due to what can happen in meiosis I.
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| Genetic diversity is greatest in | show 🗑
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| The main outcome of the four stages of meiosis II---prophase II, metaphase II, anaphase II, and telophase II-is to separate | show 🗑
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