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What is meant by double fertilization which is a characteristic feature of all angiosperms 1. fusion of male gametes and antipodal cells fusion of male gamete with synergid cell fusion b/w egg and male gametes fusion of one male gamete with egg cell and another with secondary nucleus.

What is meant by double fertilization which is a characteristic feature of all angiosperms
1. fusion of male gametes and antipodal cells
  1. fusion of male gamete with synergid cell
  2. fusion b/w egg and male gametes
  3. fusion of one male gamete with egg cell and another with secondary nucleus.

Grade:12

1 Answers

Gaurav
askIITians Faculty 164 Points
6 years ago
Hello Student
Correct is 3. Fusion of one male gamete with egg cell and another with secondary nucleus
Double fertilization is the unique feature of flowering plants, where by, from a single pollen grains the two sperm nuclei within the pollen tube fuse with different nuclei within th embryo sac of the ovule. Fusion of one sperm with egg cell nucleus forms zygote and the fusion of other sperm with diploid secondary nucleus form triploid primary endosperm nucleus.

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