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Given is the representation of life cycl...

Given is the representation of life cycle of members of classes Ascomycetes and Basidiomycetes. Select the correct option for processes A,B and C.

A

`{:(A,B,C),("Karyogamy","Plasmogamy","Meiosis"):}`

B

`{:(A,B,C),("Plasmogamy","Karyogamy","Meiosis"):}`

C

`{:(A,B,C),("Plasmogamy","Meiosis","Karogamy"):}`

D

`{:(A,B,C),("Karyogamy","Meiosis","Plasmogamy"):}`

Text Solution

Verified by Experts

The correct Answer is:
B
In ascomycetes and Basidiomycetes, the life cycle is completed in three phases instead of two - haplosphase, dikaryophase and diplophase (2n). Haplophase by plasmogamy converts into dikaryophase where each cell has two haploid nuclei. Then keryogamy occurs converting dikaryophase to diplophase. Meiosis occurs in diplophase and haploid condition is regained.
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