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In haploid organisms that undergo sexual...

In haploid organisms that undergo sexual reproduction, name the stage in the life cycle when meiosis occurs. Give reasons for your answer.

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Haploid organisms for gametes without meiosis. Male and female gametes fuse to form diploid zygote Zygote being diploid undergoes meiosis to form hapliod orgnisms e.g., Ulthrix , Chlamydomonsa.
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