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Question
In a guava fruit, there were 300 seeds. How many meiotic divisions must have been involved in the development of 300 seeds?
In a guava fruit, there were 300 seeds. How many meiotic divisions must have been involved in the development of 300 seeds?
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Solution
The correct option is D 375
In angiosperms, one meiotic division of Megaspore mother cell leads to formation of one egg cell. So 300 egg cells are formed from 300 meiotic division. But one meiotic division of sperm mother cell leads to formation of four haploid cells. So 300 functional gametes will be formed by 300/4= 75.So, total meiotic division required is 375.
In angiosperms, one meiotic division of Megaspore mother cell leads to formation of one egg cell. So 300 egg cells are formed from 300 meiotic division. But one meiotic division of sperm mother cell leads to formation of four haploid cells. So 300 functional gametes will be formed by 300/4= 75.
So, total meiotic division required is 375.
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