KSIĄŻKI POWIĄZANE ZE SŁOWEM «SELF-FERTILIZATION»
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1
The Effects of Cross and
Self Fertilization in the Vegetable ...
A volume by Darwin the British naturalist who became famous for his theories of evolution and natural selection. After the publication of Origin of the Species, Darwin continued to write and publish books on Biology.
How and why is self-fertilization in hermaphrodites prevented? Solution: Any
organism that has both male and female gonads is said to be hermaphroditic.
The majority of flowering plants are hermaphroditic in that they bear both the pistil
(the ...
Research & Education Association Editors, Research and Education Association, 2013
Like apomixis, self-fertilization can be looked upon as an adaptation promoting
immediate fitness in temporary habitats,70 where populations fluctuate greatly in
size, and formation of several descendants is essential. Gametophytic apomixis ...
Sven Asker, Lenn Jerling, 1992
4
Darwin's Biological Work: Some Aspects Reconsidered
Somewhat paradoxically, the more extreme condition of sterility of a plant with its
own pollen he regarded as of incidental occurrence and not evolved as an
adaptation to prevent self-fertilization. His reasons for reaching this conclusion
were ...
5
Problem of Land Snail Pests in Agriculture: A Study of the ...
Self-fertilization The giant African snail, like other land snails, is hermaphrodite
and whenever mating takes place it is only reciprocal. The question is whether
mating is necessary for getting viable eggs or not and whether self-fertilization
takes ...
6
Demography and Evolution in Plant Populations
of selfing outweighs the qualitative superiority of the progeny from crosses, the
fitnesses of two phenotypes differing in the frequencies of selfing were compared
in individual selection models for each mode of self-fertilization (Lloyd 1978).
Otto Thomas Solbrig, 1980
7
Major Evolutionary Transitions in Flowering Plant Reproduction
Does Self-Fertilization Influence Rates of Colonization in Nature? Colonization is
likely to be a powerful factor in the evolution of self-fertilization at the
metapopulation level (Holsinger 1986). The question naturally arises as to
whether the ...
Spencer C. H. Barrett, 2008
8
A Lecture on Pollination of Flowers: Cross and ...
This scarce antiquarian book is a selection from Kessinger Publishing's Legacy Reprint Series.
Louis Hermann Pammel, 2010
9
Essential Genetics: A Genomics Perspective
AA Aa aa 0 1 0 1/4 1/2 1/4 Genotype Initial frequency After one generation of self-
fertilization 3/8 1/4 3/8 7/16 1/8 7/16 15/32 1/16 15/32 After two generations of
self-fertilization After three generations of self-fertilization After four generations of
...
10
Quantitative Genetics in Maize Breeding
30% for the first three generations of self-fertilization. Days to flower increased 25
% from S0 to S8 and increased throughout the range of self-fertilization, but the
greatest one-generation increase occurred from S0 to S1. Of yield components ...
Arnel R. Hallauer, Marcelo J. Carena, J.B. Miranda Filho, 2010
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «SELF-FERTILIZATION»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
self-fertilization w wiadomościach.
Rain Makes This Orchid Have Sex With Itself
Rain makes this staid little orchid erupt into a self-fertilization frenzy. The first drop takes a the “cap” covering the pollen off. The pollen is held on a “stipe,” a ... «io9, Lip 15»
Hybrid vigour: Infertility rescue
A number of approaches exist to suppress self-fertilization and ensure hybrid seed production, including the laborious removal of anthers from 'female' parents, ... «Nature.com, Lip 15»
Happy July 4th! Here are some flatworm penises!
“Self-fertilization occurs in a broad range of hermaphroditic plants and animals, and is often thought to evolve as a reproductive assurance strategy under ... «BlogHer, Lip 15»
New Species of Worm Fertilizes itself by Injecting its Own Head with …
According to the researchers, they invented a new word to describe one's ability for self-fertilization or self-pollination: selfing. They explain that selfing occurs in ... «The Monitor Daily, Lip 15»
Sophisticated system prevents self-fertilization in petunias
Plants use genetic mechanisms to prevent inbreeding by recognizing self and non-self pollen. Researchers from the Institute of Evolutionary Biology and ... «Phys.Org, Sty 15»
A Hairy Landscape
Some things never change, especially in Eugene, where great pockets of time stop and drop into a sinkhole of self-fertilization. Look at our eternal perpetuation ... «Eugene Weekly, Sty 14»
Kevin Jonas Is Pretty Sure There's A 50% Chance His Baby Will …
... we're still getting a real virgin vibe from him anyway, the only logical conclusion is that the JoBros have attained the skill of self-fertilization. Congratulations! «Crushable, Sie 13»
No sex and the kids eat each other: Starfish families have a problem
The plight of the starfish, documented in the latest issue of the journal Biology Letters, reveals how a life without sex but with self-fertilization could result in ... «NBCNews.com, Sie 13»
Are self-fertilizing plants their own worst enemy?
By contrasting Red Shepherd's Purse with the outcrossing species that gave rise to it, researchers showed that self-fertilization has already left traces across the ... «Futurity: Research News, Cze 13»
Barnacles' quirky sex lives; high heels and perceived femininity
For the times when accessing a potential mate is too difficult, most barnacles rely on self-fertilization to spread their seed. The exception to this behavior is the ... «Washington Post, Sty 13»
