Related Experiment Video

Updated: Aug 22, 2026

Application of Two-spotted Spider Mite Tetranychus urticae for Plant-pest Interaction Studies
08:53

Application of Two-spotted Spider Mite Tetranychus urticae for Plant-pest Interaction Studies

Published on: July 4, 2014

No variation for Wolbachia-induced hybrid breakdown in two populations of a spider mite

F Vala1, J A J Breeuwer, M W Sabelis

  • 1Department of Biology, University College of London, Wolfson House 4 Stephenson Way, NW1 2HE London, United Kingdom. f.vala@ucl.ac.uk

Experimental & Applied Acarology
|October 29, 2003
PubMed

More Related Videos

Detecting Wolbachia Strain wAlbB in Aedes albopictus Cell Lines08:08

Detecting Wolbachia Strain wAlbB in Aedes albopictus Cell Lines

Published on: June 1, 2022

Generation of Monoclonal Cultures from Wolbachia-infected Drosophila melanogaster JW18 Cell Line06:09

Generation of Monoclonal Cultures from Wolbachia-infected Drosophila melanogaster JW18 Cell Line

Published on: June 27, 2025

Related Concept Videos

Understanding Species and Reproductive Barriers01:17

Understanding Species and Reproductive Barriers

A species is a group of organisms that interbreed and produce fertile offspring. Typically, individuals of the same species appear similar and share common characteristics due to their highly similar genomes. However, not all organisms that look alike are members of the same species. Various mechanisms keep most species discrete. While some mechanisms prevent reproductive behavior and fertilization (pre-zygotic isolation), others prevent the production of fertile offspring after mating has...
Formation of Species01:31

Formation of Species

Speciation describes the formation of one or more new species from one or sometimes multiple original species. The resulting species are discrete from the parent species, and barriers to reproduction will typically exist. There are two primary mechanisms, speciation with and without geographic isolation—allopatric and sympatric speciation, respectively.Allopatric SpeciationIn allopatric speciation, gene flow between two populations of the same species is prevented by a geographic barrier, like...
Mutation, Gene Flow, and Genetic Drift01:09

Mutation, Gene Flow, and Genetic Drift

In a population that is not at Hardy-Weinberg equilibrium, the frequency of alleles changes over time. Therefore, any deviations from the five conditions of Hardy-Weinberg equilibrium can alter the genetic variation of a given population. Conditions that change the genetic variability of a population include mutations, natural selection, non-random mating, gene flow, and genetic drift (small population size).Mechanisms of Genetic VariationThe original sources of genetic variation are mutations,...
Genetics of Speciation02:16

Genetics of Speciation

Speciation is the evolutionary process resulting in the formation of new, distinct species—groups of reproductively isolated populations.The genetics of speciation involves the different traits or isolating mechanisms preventing gene exchange, leading to reproductive isolation. Reproductive isolation can be due to reproductive barriers that have effects either before or after the formation of a zygote. Pre-zygotic mechanisms prevent fertilization from occurring, and post-zygotic mechanisms...
Hybrid Zones02:29

Hybrid Zones

Hybrid zones are narrow regions where two closely related species interact, mate, and produce hybrids. Relative to either parent species, hybrids may possess distinct phenotypic or genetic differences that impact their survival and reproductive success. The genetic variances introduced by hybridization influence species diversity and speciation processes within the hybrid zone.Gene flow and natural selection are evolutionary mechanisms that shape the outcome of a hybrid zone. Gene flow...
Chi-square Analysis02:46

Chi-square Analysis

The chi-square test is a statistical hypothesis test. It is used to check whether there is a significant difference between an expected value and an observed value. In the context of genetics, it enables us to either accept or reject a hypothesis, based on how much the observed values deviate from the expected values.
The chi-square test was developed by Pearson in 1990.
The first step of performing a Chi-square analysis is to establish a null hypothesis, which assumes that there is no real...