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  4. Root cells of wheat has 2n = 42 chromosomes. Which one of the following is the basic chromosome number of Wheat ?

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Q. Root cells of wheat has 2n = 42 chromosomes. Which one of the following is the basic chromosome number of Wheat ?

WBJEEWBJEE 2010Evolution

Solution:

For wheat, $2n = 6x = 42$
$∴ x = 7$
$‘x’$ represents basic or genomic number.