Bio220 Midterm Exam Questions (49 Terms) With Verified Definitions Updated 2024

why do we care about genetic variation in crops? {Ans: 1. clues to artificial selection don't in the past 2. pest and pathogen management 3. future improvement of crops}mendelian traits {Ans: characteristics that are influenced by alleles at only one genetic locus}Maximum Sustained Yield (MSY) {Ans: point of max population growth yield maximized}mitochondrial DNA {Ans: inherited maternally}Ne (effective size) {Ans: the size of an idealized population [all individuals with equal opportunity to pass on their genes] Ne<polymorphism {Ans: the existence of two or more forms of individuals within the same animal species (independent of sex differences)}genetically depauperate {Ans: very very low variation/diversity within the species}genetic drift {Ans: variation in the frequency of a gene}allee effects {Ans: Growth rate decreases as population density decreases}general rule of harvesting {Ans: harvest out recruitment and leave the stock alone}H {Ans: average frequency of heterozygous individuals per teen locus}truncation selection {Ans: only those individuals that exceed some threshold are allowed to breed}ideal harvesting strategy {Ans: harvest K/2 individuals per year (to maximize population growth rate)}agricultural coevolution {Ans: humans and their agricultural species impose selection on each