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Question

What is a zygote and pollen tube?

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Solution

Zygote:

  • It is the initial cell formed when two gamete cells fuse by means of sexual reproduction.
  • In multicellular organisms, it is the earliest developmental stage of the embryo.
  • In single-celled organisms, the zygote divides to produce offspring, usually through meiosis.
  • It is the first cell of the life.

Pollen tube:

  • A pollen tube is a tube like structure formed by a pollen grain that transports the male gametes from the pollen grain to the ovule.
  • The function of the pollen tube is to carry male gametes towards the ovary through stigma and style.

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