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Bezzdna [24]
3 years ago
8

F1 is the symbol for...?

Biology
1 answer:
guajiro [1.7K]3 years ago
3 0

Answer:

F1 and F2 Generations

The offspring of the P generation are called the F1 (for filial, or “offspring”) generation.

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Arrange the following in the correct sequence, from earliest to most recent, in which these plant traits originated. 1. sporophy
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Earliest- gametophyte dominance, sporophyte dependence

Middle- sporophyte dominance, gametophyte independence

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Explanation:

The life cycle of plant alternates between the two phases: the haploid gametophyte which produces gametes and the diploid sporophyte which produces spores.  The evolution of land plants shows how these are dependent on each other in terms of the requirement of nutrition.

In bryophytes, the gametophyte is the dominant phase on which the sporophyte depended. Later in pteridophytes, the sporophyte became dominant which is present in the later evolved groups namely the gymnosperms and the angiosperms. The gametophyte was independent on the sporophyte but in angiosperms and gymnosperms, it is dependent.

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