Question:

Which one of the following would not lead to formation of clones?

  • Double fertilization
  • Apomixis
  • Vegetative reproduction
  • Tissue culture
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The Correct Option is A

Solution and Explanation

Clone is an individual obtaining from single parent through asexual reproduction. It is possible through apomixis, vegetative reproduction and tissue culture. The process of fusion of two male gametes in a single embryo sac is called double fertilization. It is found in sexual reproduction of angiosperms only and discovered by Nawaschin (1898).
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Concepts Used:

Sexual Reproduction in Flowering Plants

Sexual reproduction in flowering plants takes place or happens when the production of a new organism occurs from two parents by making use of their gametes or sex cells. Both sexual and asexual reproduction can be found in plants. Nearly all flowering plants reproduce sexually. Flowers play a captious role in the process as it carries both the male and female reproductive parts commonly known as androecium and gynoecium respectively.

An individual flower comprises the following parts - 

  • Pedicle
  • Calyx
  • Petals
  • Sepals
  • Stamen
  • Pistil
  • Receptacle