Reproduction in OrganismEasy
Question
Total number of meiotic divisons required for forming 100 zygotes/100 grains of wheat are
Options
A.100
B.75
C.125
D.50
Solution
Zygote is the fusion product of pollen grains and egg. 100 zygotes require 100 pollen grains and 100 embryo sacs. 100 pollen grains are produced from 25 microspore mother cells while 100 embryo sacs are formed from 100 fuction megaspres which as a result being produced by 100 megaspore mother cells, since therr, out of four megaspores degenerate in each case.
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