What is the process that is exhibited by cryptogams as part of their reproductive cycle, that enables them to stabilise the chromosomal number when required ?

Respiration

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Heterospory

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Alternation of Generations

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Oogamy

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Solution

The correct option is C
Alternation of Generations

In lower non-seed bearing plants (cryptogams) a process known as alternation of generations enables reproduction in which the plant oscillates between 2 distinct forms during its entire life cycle. In cryptogams, it manifests in a dominant haploid gametophyte stage that gives rise to a diploid sporophyte stage that will, in turn produce a new haploid gametophyte.

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