A very interesting feature of many species of the genus is asexual reproduction, a process known as apomixis . sexual parents.
42.
In plants, parthenogenesis means development of an embryo from an unfertilized egg cell, and is a component process of apomixis.
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He has become a well-known authority on the genus " Antennaria " and its associated polyploidy and apomixis.
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The grass is tillers, or via apomixis with unfertilized seeds, and some populations are made up only of female individuals.
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JEFFERSON : The classic example that I've been harping on about for years is apomixis, or obtaining seeds without sex.
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Reproduction of successful polyploid species is sometimes asexual, by parthenogenesis or apomixis, as for unknown reasons many asexual organisms are polyploid.
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Also, asexual reproduction, such as through apomixis in plants, may separate lineages without producing a great degree of morphological differentiation.
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Their experiments repeated those of Gregor Mendel with Hieracium hybrids, showing that Mendel had observed a mixture of sexual recombination and apomixis.
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A microspecies is a group of organisms with very little genetic variability, usually a part of a species aggregate reproducing by apomixis.
50.
Tryon also made significant contributions to the study of fern reproductive biology with her studies of apomixis in " Pellaea ".