KSIĄŻKI POWIĄZANE ZE SŁOWEM «APOMICT»
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1
Lost Sex: The Evolutionary Biology of Parthenogenesis
In the second pattern of divergence, loci ADH1 and ICE14 both showed overall
increasing levels of pairwise allelic sequence divergence in the following order:
diploid sexual, diploid sexual-diploid apomict, diploid sexual-triploid apomict, ...
Isa Schön, Koen Martens, Peter J. Dijk, 2009
Vigorous Abundant 99% apomict, 1% B,,rhybrids + chr. doubled pi. ( - ) ( - ) 98%
apomict, 2% B]rhybrids ( - ) 50% apomict, 50% B,,r and B,r hybrids ( + ) Obligate
apomict ( — ) ( — ) Obligate apomict Vigorous Abundant Obligate apomict ...
Sven Asker, Lenn Jerling, 1992
3
An Introduction to Plant Breeding
Essentially all the seed produced by an obligate apomict are produced as a
result of asexual reproduction. By far the most common means of producing
genetic variation and/or increasing heterozygosity, however, is by sexual
reproduction or ...
Jack Brown, Peter Caligari, 2011
4
Principles and Procedures of Plant Breeding: ...
x Apomict ( (AaBb) (Aabb) Self(S,) Hybrid Sexual (13) Self Apomict (3) Select
Apomict (3) oGIGCT I Sexual (5) Self Backcross Sexual (segregating) Apomict
Sexual (segregating) Fig. 20.2 Fixation of heterosis through apomixis (adopted
from ...
G. S. Chahal, S. S. Gosal, 2002
5
Sex and Death in Protozoa: The History of Obsession
The frequency of the homozygous mutant class will now be half the
corresponding frequency of the hemizygous mutant class in the haploid apomict.
But because the selfer is diploid, it will suffer twice as many mutations per
generation.
6
Principles of Plant Genetics and Breeding
Efforts using modern molecular genetic tools continue to be made to isolate those
apomictic genes. Apomixis can be a two-edge sword – it can hinder breeding
progress or it can be an effective breeding tool. To improve an apomict, there ...
7
Tropical Forage Plants: Development and Use
different environmental stimuli, primarily photoperiod, alter the level of apomixis
expressed in facultative apomicts.30-32 The breeder should know if a species is
an obligate or a facultative apomict. The level of apomixis and sexuality in ...
W.D. Pitman, Antonio Sotomayor-Rios, 2000
A synthetic apomict that displays both autonomous endosperm formation and
autonomous embryo formation should be able to dispense with the apparatus of
pollination entirely and would not pose a threat to biodiversity. However, a
synthetic ...
Gurdev S. Khush, D. S. Brar, Bill Hardy, 2001
9
Encyclopedia of Biological Invasions
Often, the sexual form occupies a central region of the geographic range of the
apomict. APOMICTS AS INVASIVE WEEDS One way that apomixis may favor an
alien species is through the facilitation of successful founder events. For example
...
Dr. Daniel Simberloff, Dr. Marcel Rejmanek, 2010
10
In Vitro Embryogenesis in Plants
Euhieracium (apomict) D + P — 10 pilosella (apomict) A + P — 10 Ixeris dentata
D + P — 10 Leontodon hispidus L. A(-P) — 10 Leontopodium alpinus D + P — 10
Melampodiitm divaricatum DC AE In 55 Parthenium argentatum (apomict) A, ...
