Preparation of Karyotype
Chapter 3: 4. Luteal or secretory phase · ZOOLOGY · EN medium
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Preparation of Karyotype Tjio and Levan ( ) described a simple method of culturing lymphocytes from the human blood. Mitosis is induced followed by addition of colchicine to arrest cell division at metaphase stage and the suitable spread of metaphase chromosomes is photographed. The individual chromosomes are cut from the photograph and are arranged in an orderly fashion in homologous pairs. This arrangement is called a karyotype . Chromosome banding permits structural definitions and differentiation of chromosomes.
📖 Class 12 Zoology English 2024 Edition www.tntextbooks.in · Page 61
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Preparation of Karyotype Tjio and Levan ( ) described a simple method of culturing lymphocytes from the human blood. Mitosis is induced followed by addition of colchicine to arrest cell division at metaphase stage and the suitable spread of metaphase chromosomes is photographed. The individual chromosomes are cut from the photograph and are arranged in an orderly fashion in homologous pairs. This arrangement is called a karyotype .
Chromosome banding permits structural definitions and differentiation of chromosomes.
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