Gene frequencies
National IQ means, calibrated and transformed from educational attainment, and their underlying gene frequencies
... In Table 5 we included only countries with a long history of market economy and with at least two sets of data from PISA studies. Therefore, the overall impression of this table is misleading, because three quarters of ...
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ANALYSES OF GENE FREQUENCIES
... Small sample estimators are formulated for all of the parameters by three different methods, including both a weighted and an unweighted method of analysis of the varia- tion amo[r] ...
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Methods for Estimating Gene Frequencies and Detecting Selection in Bacterial Populations
... allele frequencies using the kinds of data obtained use in studies of animal and plant populations are, in in studies of microbial diversity by molecular ...
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Inferring Patterns of Migration From Gene Frequencies Under Equilibrium Conditions
... SLATKIN and BARTON (1989) suggested using the beta distribution to estimate gene flow by maximum likelihood, also for stepping stone like models, based. on the result[r] ...
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Autocorrelation of Gene Frequencies Under Isolation by Distance
... T h e allele frequencies for all sam- pled localities are compared to allele frequencies at localities within suitably chosen distances, autocorre- lation coefficients are [r] ...
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THE DISTRIBUTION OF GENE FREQUENCIES IN WILD POPULATIONS OF COLIAS
... Alfalfa is grown very ex- tensively in the valley, especially in the region a t the northwest (at the big triangle on the map), a t scattered areas throughout the cen[r] ...
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ANALYSES OF GENE FREQUENCIES OF MATES
... Several examples are given of how assumptions about the model and parameters modify the estimators and which were utilized in constructing x2 tests of hypotheses concerning P[r] ...
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ATTAINMENT OF QUASI LINKAGE EQUILIBRIUM WHEN GENE FREQUENCIES ARE CHANGING BY NATURAL SELECTION
... I hope that the above demonstrations are enough to show that when gene fre- quencies are changing slowly under loose linkage and relatively weak epistatic interaction, the [r] ...
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COMPETITION AMONG GENOTYPES IN TRIBOLIUM CASTANEUM AT VARYING DENSITIES AND GENE FREQUENCIES (THE BLACK LOCUS)
... The heterozygotes in mixed culture are never lower in survivorship than they are in pure culture and at gene frequency 0.25qb we note marked facili- tation of heterozygote emergence[r] ...
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Mutant Alleles of Small Effect Are Primarily Responsible for the Loss of Fitness With Slow Inbreeding in Drosophila melanogaster
... and gene frequencies q (dashed lines) at lations. This change in gene frequency may have been neutral marker loci in the simulated populations of Figures the result of directional selection because ...
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Models of quantitative variation of flux in metabolic pathways.
... In a haploid population, the proportion of interaction variance is a function of the gene frequencies at the loci contributing to the flux variation, enzyme activities [r] ...
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DIRECT EVIDENCE OF GENIC DIFFERENTIATION BETWEEN SEX RATIO AND STANDARD GENE ARRANGEMENTS OF X CHROMOSOME IN DROSOPHILA PSEUDOOBSCURA
... TABLE 1 Gene frequencies at the Esterase-5 and adult Acid phosphatase-6 loci in the sex ratio and standard gene arrangements of X chromosomes from different popu[r] ...
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Predictions of Patterns of Response to Artificial Selection in Lines Derived From Natural Populations
... these parameters, leading to a less extreme initial distri- There is much more prospect in distinguishing be- bution of gene frequencies and a closer agreement with tween genetic models using QTL mapping to ...
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GENE FLOW AND SELECTION IN A CLINE
... the environment changes on a scale less than the characteristic length, then the gene frequencies will not respond to the local variations but to the selection in- tensities average[r] ...
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NEGATIVE ASSORTATIVE MATING: EXACT SOLUTION TO A SIMPLE MODEL
... This is similar to the Hardy-Weinberg equilibrium for a simple random mating model where the initial gene frequencies determine the equilibrium and a dis- turbance of the gene f[r] ...
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A SURVEY OF HEMOGLOBINS, TRANSFERRINS AND CERTAIN RED CELL ANTIGENS IN NINE BREEDS OF SHEEP
... The gene frequencies of the animals of this breed sampled in this study do not provide evidence for close relationship (with either British breeds (Suffolk, Southdown) [r] ...
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HETEROZYGOUS EFFECTS AND FREQUENCY CHANGES OF LETHAL GENES IN POPULATIONS
... I n small populations, however, the random fluctuation of gene frequencies be- comes important, and the mean gene frequency is expected to be smaller than the value given by (9) [r] ...
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ISOZYME ALLELIC FREQUENCIES RELATED TO SELECTION AND GENE-FLOW HYPOTHESES
... Since many environmental variables show a strong relationship to geographic location and since gene flow between populations can also produce patterns of gene frequencies which [r] ...
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THE SURVIVAL OF MUTANTS AT VERY LOW FREQUENCIES IN TRIBOLIUM POPULATIONS
... The cultures simulating mutations (immigrants with native backgrounds) had a higher average gene frequency, different distribution of gene frequencies across replicates[r] ...
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Frequency of Human Platelet Antigens (HPA-2/3/5) Polymorphism in Iranians Evaluated by RFLP-PCR
... England Biolabs (SfaNI and Fok-1) and Fermentase (MNl 1). Polymerase chain reac"on (PCR) products were incubated overnight with SfaNI for HPA-2 and Fok I for HPA-3 at 37oC, and with MNl1 for HPA- 5 at 55oC. RFLP ...
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