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drift in Biological Dictionary

Genetic drift

... Genetic drift or allelic drift is the change in the relative frequency with ... a random sample of those in ... genetic drift n. Random fluctuations in the frequency of the ...

Antigenic shift

... in which the flu virus changes: Antigenic drift vs. Antigenic Shift ... Antigenic drift Illustration showing how antigenic ... ... Vaccine -- Outmaneuvering Antigenic Shift and drift ... Antigenic shift , which is seen only with ...

Gene frequency

... alleles at the genetic place (locus) in a population. ... Genetic drift or allelic drift is the change in the relative frequency with which a gene variant ...

Allele frequency

... alleles at the genetic place (locus) in a population. ... Genetic drift or allelic drift is the change in the relative frequency with which a gene variant ( ...

Random mating

... ... Random Mating ... Non- random mating can give an advantage to ... Chapter 6. Mendelian Genetics in Populations II: Migration, Genetic drift and Non- Random Mating ... If mating is random , F=0. If all reproduction is by self ... size of a random - mating population of ...

Linkage equilibrium

... can persist for some time while equilibrium is being approached. Random sampling will disturb linkage equilibrium (analogous to the way drift ... 7 Linkage disequilibrium measure, D. 8 Explained why D goes to zero ... section at the top on Linkage EQUILibrium , this should give good ...

Heterozygosity

... in increased stability during development and thus in lower asymmetry. ... level, where mean heterozygosity within a population is ... Genetic drift refers to the net decrease in genetic variability and heterozygosity over time. ... Heterozygosity is the degree to which an individual or ... ...

Genetic variance

... lead to changes in the genetic variance of that trait, irrespective of changes in variation in ... because it erodes genetic variance , drift will scale G ... Additive and Dominance Genetic Variance of Fertility by Method and ... Genetic variance computed by usual models is ...

Gene flow

... essential mechanism of gene flow is movement of individuals (or their ... Gene flow between isolated populations slows down their genetic drift from each ... Gene flow summary with 10 pages of encyclopedia entries, essays, summaries, research information, and more. ... model for ...

Founder effect

... of genetic drift. Lesson plans for teaching about ... Founder effects . A founder effect occurs when a new colony ... random genetic drift and how a founder effect led to a high occurrence of Huntington's disease. ... Brief hyperlinked article about the founder effect , the ...

Dispersal

... Although their mode of dispersal is similar to single-winged helicopter seeds, ... Dispersal Of Coconut & Its Crab. Mary's Bean: Fabulous drift Seed ... Information about dispersal in the free online English dictionary and ... There was an immediate dispersal for these restoratives, ...

Degeneracy

... Hyperbolic and Mixed Complex Equations with Parabolic Degeneracy ... Article addresses the issues of both moral and immoral degeneracy . ... We drift to the right into moral degeneracy when we attempt to add something to ... Official site for the text adventure Degeneracy . ... Note that ...
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