If a stock has 2n = 48 and scion microspore mother cell has 2n = 24; then root cell and the microspores will have ____ chromosomes respectively.

12, 48

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48, 12

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24, 12

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24, 96

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Solution

The correct option is B 48, 12
Stock is the one that receives the graft which has 2n = 48. This would produce the root which will have 2n = 48.
Microspores are haploid, and are produced from diploid microsporocytes by meiosis.
Scion has 2n = 24, would produce microspore (n = 12).

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Similar questions

2 n = 48

2 n = 24

In grafted plant, stock has 48 chromosomes and scion has 24 chromosomes. The chromosome number for root cells and egg are:

48

24

What would be the number of chromosomes in (i) microspore mother cell and (ii) microspore if the sporogenous cell has 20 chromosomes?

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