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  4. Which of the following is unique to mitosis and not a part of meiosis?

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Q. Which of the following is unique to mitosis and not a part of meiosis?

Delhi UMET/DPMTDelhi UMET/DPMT 2009Cell Cycle and Cell Division

Solution:

During mitosis, all the chromosomes behave independently while during meiosis, homologous chromosomes pair up through synapsis and form bivalents in zygotene substage of prophase-I, then in pachytene substage, crossing over occurs between homologous chromosomes and during diplotene substage of prophase-I of meiosis chiasma formation takes place. During Anaphase of both mitosis and meiosis, chromatids are separated and pulled towards opposite poles.