WebGenetic drift stems from the chance occurrence that some individuals in the germ line have more offspring than others. When individuals leave or join the population, allele frequencies can change as a result of gene flow. Mutations to an individual’s DNA may introduce new variation into a population. WebGene flow can cause new alleles to enter a population's gene pool. 2. Which of the following cannot cause evolution? a) genetic drift : b) non-random mating : c) ... Which of the following can introduce new alleles into a population's gene pool? a) mutation : b) natural selection : c) gene flow : d) A and C : 4.

Genetic variation, gene flow, and new species - Khan Academy

Web8 Questions Show answers. Question 1. SURVEY. 30 seconds. Q. A virus killed most of the seals in the North Sea (e.g. dropped the population from 8000 to 800). In an effort to help preserve the species, scientists caught 20 of the remaining seals and used them to start a new population in the northwest Pacific Ocean. WebGene flow is the migration of individuals between two populations of the same species. As long as individuals can move between the two populations, the populations remain as … how many episodes in attack on titan s2

Which mechanisms are responsible for introducing new alleles …

Web1) Which mechanisms can introduce new alleles into a population? changes to the selective pressures in an environment sexual reproduction that results in allele shuffling O random mutations in DNA gene flow from one population to another genetic drift due to a population bottleneck 2) Select the statements that accurately describe the effect of … WebView Week 3 Monday - Tagged.pdf from BIOL 214L at Case Western Reserve University. Microevolution and Natural Selection I Dr. J. Arvid Ågren Week 3 Monday 12 September Week 3 Learning goals • Define high velocity clear-coat