منابع مشابه
Genes for Normal Behavioral Variation Recent Clues from Flies and Worms
(see Tully, 1996). These behavioral geneticists were inThe question of how genes contribute to normal individterested in why individual differences in behavior had ual differences in behavior has captured our imagination evolved and how variation is maintained in natural popufor more than a century. Several fundamental questions lations. Most often, they found that many genes (polycome to mind....
متن کاملGenetic and Phenotypic Variation for Flowering Time Genes in Barley (Hordeum vulgare)
Objective: Flowering Time (FT) in cereals controlled by genes that had a main factor on plant development. Methods: Genetic and phenotypic diversity of four flowering time genes (FT2, FT3, FT4, Ppd-H1) in 19 genotypes of cultivated and wild barley was evaluated and a total of 107 alleles were amplified. Genotypes based on days to flowering time and molecular data were grouped into earl...
متن کاملGenetic and Phenotypic Variation for Flowering Time Genes in Barley (Hordeum vulgare)
Objective: Flowering Time (FT) in cereals controlled by genes that had a main factor on plant development. Methods: Genetic and phenotypic diversity of four flowering time genes (FT2, FT3, FT4, Ppd-H1) in 19 genotypes of cultivated and wild barley was evaluated and a total of 107 alleles were amplified. Genotypes based on days to flowering time and molecular data were grouped into earl...
متن کاملNormal variation for adaptive feature size
Claim 1 Let q and q′ be any two points in Σ so that d(q, q′) ≤ εmin{f(q), f(q′)} for ε ≤ 1 3 . Then, ∠nq, nq′ ≤ ε 1−3ε . Unfortunately, the proof of this claim as given in Amenta and Bern [1] is wrong; it also appears in the book by Dey [2]. In this short note, we provide a correct proof with an improved bound of ε 1−ε . Theorem 2 Let q and q′ be two points in Σ with d(q, q′) ≤ εf(q) where ε ≤ ...
متن کاملVarieties of behavioral natural variation.
Behavior is flexible at different timescales, modifiable by experience in the short term and by evolution in the long term. In order to understand how behavior evolves, we must both understand how trait differences between individuals are inherited and how a subset of these differences get fixed within a species' lineage. Work over the past few decades has shown that this will not be easy; the ...
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ژورنال
عنوان ژورنال: Neuron
سال: 1998
ISSN: 0896-6273
DOI: 10.1016/s0896-6273(00)80556-5