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प्रश्न
Define triple fusion.
उत्तर
The fusion of one male gamete (n) fuses with the secondary nucleus (2n) to produce a primary endosperm nucleus (3n) is called Triple fusion.
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संबंधित प्रश्न
Read the following statement and answer the questions that follow :
"A guava fruit has 200 viable seeds."
(a) What are viable seeds?
(b) Write the total number of :
(i) Pollen grains (ii) Gametes
in producing 200 viable guava seeds.
c) Prepare a flow-chart to depict the post-pollination events leading to viable-seed production in a flowering plant.
During double fertilization second male gamete fuses with ___________.
Name of the part of the ovary which gives rise to:
Seed ______
Explain double fertilization and its significance.
Male gametes in angiosperms are formed by the division of ______.
In Haplopappus gracilis, number of chromosomes in cells of nucellus is 4. What will be the chromosome number in Primary endosperm cell?
In double fertilization, the first male gamete fuses with the egg and the second male gan1ete fuses with which of the following?
Double fertilization is characteristic of ______.
Identity the part of embryo sac which takes part in formation of primary endosperm nucleus during fertlisation
Give a term for the following:
Fusion of male gamete and secondary nucleus in angiosperms.
