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Sexual Selection and Mate Choice

Sexual Selection and Mate Choice

Sexual Selection and Mate Choice

Sexual Selection and Mate Choice

Sexual Selection Class Simulation
ExpandNote: In this activity, you and your classmates will portray a sexually reproducing population consisting of an equal number of male and female animals. You will simulate several different mating scenarios to determine how relative quality, attractiveness, sex, and parental commitment affect mate choice and reproductive success. The goal of this activity is to maximize your progeny.
Hypotheses: There are several overall hypotheses for female and male...

Sexual Selection and Mate Choice

Sexual Selection and Mate Choice

Determining Roles and Making Gamete Packages for Class
ExpandFirst determine the quantity of materials needed based on the class size. This activity can easily be scaled up or down. In Table 1, options are listed for 30, 20 or 10 students. Click Here to download Table 1 NOTE: You may easily create a custom number by following these simple guidelines.

Isolation of Stress-Adapted Bacteria through Single Colony Selection

Isolation of Stress-Adapted Bacteria through Single Colony Selection

Source: Jeong, H., et. al. Procedure for Adaptive Laboratory Evolution of Microorganisms Using a Chemostat. J. Vis. Exp. (2016).This video demonstrates the selective isolation and growth of stress-adapted bacteria from a culture exposed to prolonged stress conditions. The culture is plated on stressor-containing agar, and a single colony is selected to inoculate a liquid medium with the stressor. Absorbance is measured at regular intervals to monitor the growth and confirm the successful...

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Related Experiment Video

Updated: Jan 19, 2026

Sexual Selection and Mate Choice

Sexual Selection and Mate Choice

Sexual Selection in Bacteria?

Michiel Vos¹, Angus Buckling², Bram Kuijper²

¹European Centre for Environment and Human Health, University of Exeter Medical School, University of Exeter, Penryn Campus, Penryn, TR10 9FE, UK.

Trends in Microbiology

|September 9, 2019

Summary

This summary is machine-generated.

Sexual selection theory may explain bacterial DNA uptake and release. This framework offers new insights into bacterial transformation behaviors and genetic diversity, moving beyond natural selection.

Keywords:

DNA secretion cell lysis lateral gene transfer sexual selection transformation

More Related Videos

Sexual Selection and Mate Choice

Sexual Selection and Mate Choice

Sexual Selection and Mate Choice

Sexual Selection and Mate Choice

Related Experiment Videos

Last Updated: Jan 19, 2026

Sexual Selection and Mate Choice

Sexual Selection and Mate Choice

Sexual Selection and Mate Choice

Sexual Selection and Mate Choice

Sexual Selection and Mate Choice

Sexual Selection and Mate Choice

Area of Science:

Microbiology and Evolutionary Biology
Bacterial genetics and lateral gene transfer

Background:

Transformation, the uptake of environmental DNA, is a key mechanism for lateral gene transfer in bacteria.
Bacteria actively release DNA, potentially influencing transformation efficiency.
Existing explanations for DNA exchange focus solely on natural selection.

Purpose of the Study:

To apply sexual selection theory to bacterial DNA uptake and release mechanisms.
To explore how sexual selection could drive diversity in bacterial transformation behaviors.
To investigate potential scenarios of competition and selective uptake in bacterial DNA exchange.

Main Methods:

Theoretical interpretation of bacterial DNA uptake and release.
Application of sexual selection principles to prokaryotic systems.
Exploration of evolutionary scenarios for bacterial gene transfer.

Main Results:

Sexual selection offers a novel framework for understanding bacterial DNA exchange.
Potential for competition in DNA release and selective uptake by bacteria identified.
This perspective may explain the diversity observed in transformation-related behaviors.

Conclusions:

Sexual selection may play a role in bacterial evolution and genetic diversity.
The application of sexual selection theory to prokaryotes opens new research avenues.
This theory could provide a more comprehensive understanding of bacterial transformation.