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How has sex originated? Class 12 chapter 1 reproduction in flowering plants

How has sex originated? Class 12 chapter 1 reproduction in flowering plants

Grade:12

1 Answers

Arun
25758 Points
4 years ago
it is originate in protisans & simple algae . these organism multiply asexually during favourable conditions. the gametes are formed towards the approach of unfavourable conditions. the gametes fuse & form zygote which often develops a thick wall to become perennating zygospore. it germinates under favourable conditions to form the protist/algae that repeat the cycle

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