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Examples ofgametophyte
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The control of female and male gametophytes on seed development has been identified in many studies.
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Segregation distortion favours genes with high fitness in thegametophyteand the young zygote, but does not necessary affect genes that control fitness components later in life.
From theCambridge English Corpus
All land plants, and most multicellular algae, have life cycles in which a multicellular diploid sporophyte phase alternates with a multicellular haploidgametophytephase.
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This example is from Wikipedia and may be reused under a CC BY-SA license.The gametophytes grow from haploid spores after sporic meiosis.
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This example is from Wikipedia and may be reused under a CC BY-SA license.In these plants, the embryo is a young plant that grows attached to a parentalgametophyte.
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This example is from Wikipedia and may be reused under a CC BY-SA license.Gametophytes have substantial asexual reproduction by fragmentation, producing much of the living material in sphagnum peatlands.
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This example is from Wikipedia and may be reused under a CC BY-SA license.Becoming triploid or polyploid are later evolutionary steps of this primarygametophyte.
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This example is from Wikipedia and may be reused under a CC BY-SA license.These spores develop, through mitosis, into small, multicellular haploid gametophytes, male and female.
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This example is from Wikipedia and may be reused under a CC BY-SA license.Some early plants may have had heteromorphic alternation of generations, with later acquisition of isomorphic gametophytes in certain lineages.
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This example is from Wikipedia and may be reused under a CC BY-SA license.The sporophyte creates spores via meiosis which "also" then divide mitotically producing haploid individuals called gametophytes.
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This example is from Wikipedia and may be reused under a CC BY-SA license.The gametophytes remain attached to and part of the sporophyte.
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This example is from Wikipedia and may be reused under a CC BY-SA license.The gametophytes are brown to white, cylindric, and repeatedly branched.
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This example is from Wikipedia and may be reused under a CC BY-SA license.The femalegametophyteprotrudes from the megaspore and bears a small number of archegonia, each containing a single egg.
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This example is from Wikipedia and may be reused under a CC BY-SA license.This species consists solely of photosynthetic gametophytes that reproduce asexually.
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This example is from Wikipedia and may be reused under a CC BY-SA license.This theory implies that the first sporophytes bore a very different morphology to thegametophytethey depended on.
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This example is from Wikipedia and may be reused under a CC BY-SA license.The gametophytes of all vascular plant groups evolved to become reduced in size and prominence in the life cycle.
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This example is from Wikipedia and may be reused under a CC BY-SA license.Doing so would be difficult nonetheless, as this type ofgametophytegrows only underground, years after a disturbance has taken place.
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This example is from Wikipedia and may be reused under a CC BY-SA license.In gymnosperms, such as conifers, the food storage tissue (also called endosperm) is part of the femalegametophyte, a haploid tissue.
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This example is from Wikipedia and may be reused under a CC BY-SA license.Liverworts, mosses and hornworts spend most of their lives as gametophytes.
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This example is from Wikipedia and may be reused under a CC BY-SA license.The spores are released and germinate to produce short, thin gametophytes that are typically heart shaped, small and green in color.
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This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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