Autogamy - patterns of sexual reproduction, Biology

Autogamy - Patterns of Sexual Reproduction

It is known to take place in many ciliate protozoans including Paramecium. Autogamy involves same nuclear behavior like in conjugation, but it occurs in a single individuals. Hence, there is no exchange of micro-nuclear material among two individuals, as only a single individual is involved.

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Figure: Autogamy in Paramecium. The macronucleus degenerates and micronucleus undergoes meiosis to form 8 or more nuclei (1) Two of these nuclei fuse together to form a zygate nucleus (2) The others degenerate. The synkaryon divides to form a new micronucleus and macronucleus (3).

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