Question

Difference between alternation of generation and metagenesis

Answer 1

Alternation of generations, also called Metagenesis in biology is the alternation of a sexual phase and an asexual phase in thelife cycle of an organism. ... The sexual phase, called the gametophyte, produces gametes, or sex cells; the asexual phase, or sporophyte, produces spores asexually

Answer 2

Difference between alternation of generation and metagenesis:

Alternation of generation:

• Alternation of generation defines the two variety of organism, a "haploid gametophyte generation" and a "diploid sporophyte generation", those are alternate in their life cycle.
• The haploid generation is known to as the gametophyte due to the undergone of sexual reproduction for the production of gametes.  
• The gametes will fuse to form a "diploid zygote" that grows to the future or next generation, that is the "diploid sporophyte generation".
• That sporophyte undergoes to asexual reproduction for the production of spores.

Metagenesis:

• Metagenesis which is referred to as the "phenomenon of alternation of generation" that is shown by the cnidarians that exhibit both the forms- 'polyps and medusae'.  

• The Polyps will produce the "medusae" asexually and then the medusae will form the "polyps" sexually.

For example: Obelia.

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Difference between alternation of generation and metagenesis

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