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All plants, except for bryophytes, are sporophyte dominant. How does a dominant sporophyte generation lead to increased evolutionary fitness?

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Step-by-step explanation:

Sporophyte is is the dyploid multicellular in life cycle of plant or alga. It is developed when a hyploid egg is fertilized hyploid sperm so each sporophyte cell has a double set of chromosomes that is one set from each parent.

Now coming to the question dominant sporophyte generation lead to increased evolutionary fitness because dyploid tissues contain a backup if one allele is damaged.

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