Question

Minimum number of meiotic divisions required to produce 1000 male gametes in a flowering plant is. pls give proper explanation

Answer 1

In angiosperms, 1 meiotic division of Megaspore mother cell leads to formation of one egg cell.

So xx egg cells are formed from xx number of meiotic division.

But 1 meiotic division of Sperm mother cell (2n) leads to formation off 4 haploid cells (male gametes).

So by Unitary method,

4 functional male gametes are formed from 1 Meiotic division

xx functional male gametes are formed from 1/4 x xx Meiotic divisions

So total number of meiosis needed to produce xx seeds = xx + xx/4.

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