Wheat root cells have $42$ chromosomes. The number of chromosomes in a cell of pollen grain is?

14

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21

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28

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42

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Solution

The correct option is B $21$
As wheat is angiosperm the development of pollen is a result of meiosis or reductional division which results into half of chromosome.
So B-21 is correct.

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Similar questions

Q. Root cells of wheat have

2 n = 42

chromosomes. Which of the following is the basic chromosome number of wheat?

Q. The root cell of wheat plant has 42 chromosomes. What would be the number of chromosomes in the synergid cells?

Q. Assertion :If pollen mother cells has 42 chromosomes, the pollen has only 21 chromosomes. Reason: Pollens are formed after meiosis in pollen mother cell.

Q. Root cells of hexaploid wheat has 42 chromosomes. Which one of the following is the basic chromosome number of wheat?

The normal body cell of an organism contains 28 pairs of chromosomes. The number of chromosomes present in its germ cell will be :
(a) 28
(b) 14
(c) 56
(d) 42

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Wheat root cells have 42 chromosomes. The number of chromosomes in a cell of pollen grain is?

The correct option is B 21As wheat is angiosperm the development of pollen is a result of meiosis or reductional division which results into half of chromosome. So B-21 is correct.

Wheat root cells have $42$ chromosomes. The number of chromosomes in a cell of pollen grain is?

The correct option is B $21$
As wheat is angiosperm the development of pollen is a result of meiosis or reductional division which results into half of chromosome.
So B-21 is correct.