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7994424 -এই সংখ্যাটিতে তিনটি 4-এর স্থানীয় মানগুলির সমষ্টি নির্ণয় করাে​

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ong>Step-by-step EXPLANATION:

The 'gene' which causes (INHERITED, red and green types of) colour blindness is found only on the X chromosome. So, for a male to be colour blind the colour blindness 'gene' only has to APPEAR on his X chromosome. For a female to be colour blind it must be present on both of her X chromosomes.



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