Correct Answer: Option D

Explanation

In Paramecium, Conjugation is a form of sexual reproduction. It is a temporary union of two individuals of same species for mutual exchange of genetic materials.

Through a process called conjugation, two paramecia line up side by side and then fuse together.

The two paramecium separate and go on their way in their watery environment.

They begin again to produce multiple copies of themselves through asexual fission.

During sexual reproduction, the micronuclei of each paramecium undergo meiosis, ultimately halving the genetic content to create a haploid nucleus.

These are exchanged between the two connected mates.

The haploid nuclei from each mate fuse to create a new, genetically varied, micronucleus.

There is an explanation video available below.

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