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Double fertilization leading to initiation of endosperm in angiosperms require
Option: 1
fusion of one polar nucleus and the second male gamete only
Option: 2
fusion of two polar nuclei and the second male gamete
Option: 3
fusion of four or more polar nuclei and the second male gamete only
Option: 4
all of the above kinds of fusion in different angiosperms
Answers (1)
In angiosperms the endosperm is a special tissue which is formed as a result of triple fusion. In triple fusion the second male gamete fuses with secondary nucleus (diploid nucelus formed by fusion of two polar nuclei) to form triploid primary endosperm nucleus.
Hence, the correct answer is option b.
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