Question

In wheat how many meiotic cell divisions are required to produce 200 grams?

• A. 250
• B. 200
• C. 400
• D. 50

Answer 1

Answer: (A)

250

200 wheat grains will develop from 200 zygotes.

200 zygotes means 200 pollen and 200 eggs are required.

To produce 200 pollen, 50 meiotic divisions are required as 1 meiotic division of pollen mother cell produces 4 pollen.

To produce 200 eggs, 200 meiotic divisions are required as 1 meiotic division of megaspore mother cell produces 1 egg.

So, total number of meiotic cell divisions required to produce 200 grains will be 200 + 50 = 250

So, the correct answer is '250'.