# How many meiotic and mitotic divisions are required for the formation of 100 male gametophyte?

Contents

2 meiotic and 2 mitotic.

## How many meiotic and mitotic divisions are required for the development of 100 male gametophyte in angiosperms?

After pollination, the generative cell after entering into the pollen tube divide Mitotically to form two non-motile male gametes. Hence, one meiotic division and two mitotic division are required for the formation of fully mature male gametophyte from microspore mother cell in angiosperm.

## How many mitotic divisions are needed for 100 cells?

Number of generations (n) of mitosis for producing ‘x’ cells is 2^n. First formula is used when the question is saying “Find the number of mitotic divisions required to produce say 100 cells” so for example, to produce 100 cells, 100-1 = 99 mitosis are required.

## How many mitotic divisions are required for the formation of 2 male?

2 meiotic and 1 mitotic.

## How many meiotic divisions are necessary for formation of 180 sperms?

A zygote is diploid (2n) in nature and is formed during the fertilization of male gamete with the female gamete. For 50 zygotes, 50 male and 50 female gametes are required. Therefore, 13 meiotic divisions during spermatogenesis produce 52 sperms and 50 meiotic divisions during oogenesis produces 50 eggs.

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## How many mitotic divisions are required to produce a seed?

Only one fuses with egg to produce zygote, becomes seed containing embryo. To form 100 seeds, 100 generative cells are required which are ptoduced by 100 mitotic divisions in microspore. 100 male gametes are required to form seed, which produced from mitosis in generative cell.

## How many meiotic divisions are required to produce?

The meiotic division is involved in the formation of the two types of gametes in an organism, one male gamete, and the other female gamete. The formation of the male gamete requires only one meiotic division which results in four male gametes while the formation of four female gametes requires four meiotic divisions.

## How many meiotic divisions are necessary for formation?

For the development of one microspore, one meiotic division is required. So, for the development of 100 microspores 100 meiotic division is required. – The megaspore (ovule) is also developed by the meiotic division. For the development of one megaspore one meiotic division is required.

## How many meiosis are required for the formation of 80 male gametes?

Microscope mother cells undergo meiosis for production of male gametes. Each division yields 4 male gametes from each mother cell. So, 20 microspore mother cells are required to produce 80 male gametes in angiosperms.