Population genetics 0.0 / 5 ? BiologyPopulation geneticsUniversityOther Created by: Rebecca YouleCreated on: 22-01-17 19:31 Positive assortative mating Like mates attract 1 of 32 Negative assortative mating Opposites attract 2 of 32 F Probability that 2 alleles are identical by decent, inbreeding coefficient 3 of 32 Strength of genetic drift between generations 1/2N 4 of 32 Fitness Average contribution to the next generation by indv. or geno. 5 of 32 Overdominance Heterozygous advantage, both maintained 6 of 32 Polyphenism 2 or more pheno. from one geno. 7 of 32 Meristic trait Determined by multiple genetic and env. factors - whole number 8 of 32 Phenotypic variance VP = VG + VE + VGE 9 of 32 Genetic variation components VG = VA (additive) + VD (dominance) + VI (epistatic) 10 of 32 Broad sense heritability Proportion of phenotypic variation attributable to genetic differences between populations 11 of 32 Narrow sense heritability Proportion of pheno, variance that contributes to resemblance between offspring and parents 12 of 32 H^2 Genetic variance/Phenotypic variance 13 of 32 h^2 Additive genetic variance/Phenotypic variance 14 of 32 Regression Linear relationship between phenotypes of offspring as a function of pheno. of parents 15 of 32 Genotype-environment interaction Difference between genotype depends on the environment 16 of 32 Linkage disequilibrium Associations between alleles at different loci - overrepresent coupling/repulsion 17 of 32 Recombination Removed LD 18 of 32 Pleiotropy Single locus affects expression on multiple traits 19 of 32 QTL Quantitative trait locus, location in genome causes different values of trait 20 of 32 GWAS Genome-wide assosciation study, identification of causal loci 21 of 32 Anagenesis Evolution taking place in a single lineage with passage of time 22 of 32 Cladogenesis Splitting of one lineage into two 23 of 32 Allopatric Speciation by geographic isolation 24 of 32 Peripatric Spec. when pop. is peripheral to a main pop. 25 of 32 Parapatric Spec. when no isolation 26 of 32 Sympatric Spec. when pop. overlap 27 of 32 Genetic marker Feature in a genome that allows to identify diff. alleles 28 of 32 SSLP Simple sequence length polymorphism 29 of 32 Allozyme Variant form of enzymes coded by different alleles at the same locus 30 of 32 VNTR Variable no. of tandem repeats 31 of 32 Haplotype Small chromosomal 'block' inherited as a unit 32 of 32
Comments
No comments have yet been made