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KARYOTYPE OR IDIOGRAM



        It is the pictorial arrangement of total chromosomes of a cell according to their size during metaphase of cell division. Karyotype is made to study the abnormalities in chromosomes or to identify the sex of an organism. The karyotype of human beings is shown in fig.



karyotype of normal human being

Use of karyotype

       The study of karyotype of organisms helps in finding out the cause and information of many genetic diseases.




Test Your Understanding and Answer These Questions:




  1. Define Karyotype. What is its use?

  2. How many pairs of chromosomes are present in human beings?



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