So, for the formation of 100 grains of wheat, a total of 100 female gametes are needed, which means a total of
100 meiotic
divisions are needed. Hence, including the number of meiotic divisions in both the male and female sex organs of the plant, a total of 125 divisions would give rise to 100 wheat grains.
How many meiotic divisions are necessary for formation of 100 seeds?
– The microspores (pollen grain) are developed by the meiotic division. For the development of one microspore, one meiotic division is required. So, for the development of
100 microspores 100 meiotic division
is required.
How many meiotic divisions are required to produce 100 grains seeds of wheat and Cyperus respectively a 125 and 200 b 200 and 125 C 325 and 200 D 325 and 400?
Thus, for producing 100 seeds 100 division in 100 microspore mother cells and 100 divisons in 100 megaspore mother cells will take place. Thus, in all
200 meiotic divisons
are required to produce 100 seeds.
How many post meiotic mitotic divisions will be required to produce 100 zygotes in a flowering plants?
Hence, number of meiotic divisions necessary for 100 zygotes formation = 25 + 100 =
125
.
How many meiotic divisions are required for formation of 200 wheat grains?
Four meiotic divisions are required for the formation of four oospheres and only one meiotic division for the formation of four male gametes. Thus 5 meiotic divisions are needed for the formation of 4 seeds and
250 meiotic divisions
are required fro the formation of 200 seeds.
How many mitosis does it take for 100 seeds?
Answer:
200 mitotic divisions
are required in microspores In the formation of 200 male gametes and 100 seeds.
How many meiotic divisions are required for the formation of 100 eggs?
100 male gametes are developed from 100 microspores (from 25 meiotic divisions) and 100 eggs are developed from 100 megaspores
How many meiotic divisions are necessary for formation of 60 sperm?
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. Hence, the correct answer is option (B).
How many meiotic divisions are needed for 1000 pollen grains?
The number of meiotic division required to produce 1000 pollen grains of wheat are
250
. In one meiotic division four daughter cells are produced. Therefore 1000 divided by 4=250.
How many meiotic divisions are necessary for formation of 80 sperms?
The number of ‘meiotic divisions’ that are necessary for the production of 80 sperms is
20
. Explanation: During the process of spermatogenesis, the haploid sperms are produced by the meiotic division that occurs. The diploid sperm mother cells undergo reduction division or meiosis to form haploid sperm cells.
How many meiotic divisions are required to produce 300 seeds?
Similarly, four pollens can be produced through one meiotic division in male gametes. So,
75 meiotic divisions
give 300 pollen.
How many meiotic divisions are required for the formation of 400 seeds?
Four meiotic divisions are required for the formation of four oospheres and only one meiotic division for the formation of four male gametes. Thus 5 meiotic divisions are needed for the formation of 4 seeds and
500 meiotic divisions
are required for the formation of 400 seeds.
How many meiotic divisions are required to produce 50 seeds?
Total number of meiotic divisions= 50/4 +50 =
62.5 meiotic divisions
.
Are seeds produced by mitosis?
Unlike clonal varieties which involve only mitosis, seed production for seed cultivars
requires meiosis
. Meiosis produce 4 cells in two successive divisions, chromosome numbers in each of the final cells is reduced to half of the original number.
How many meiotic divisions are required for 76 seeds?
So, total meiotic division required is
375
.
How many meiotic divisions are required to produce 480 seeds?
One seed will be formed from one sperm and one egg. Thus,we need 480 eggs and so it will have
480 meiotic divisions
and we need 480 sperms from the 120 meiotic divisions ( one pollen mother cell produces 4 pollen grains from 1 meiotic division).
