Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Chromosome Replication02:31

Chromosome Replication

10.8K
Before a cell can divide, it must accurately replicate all of its chromosomes, including the DNA and its associated histone and non-histone proteins.  This process begins at numerous origins of replication during the S phase of the cell cycle in each of a cell’s chromosomes simultaneously. Certain nucleotides can act as origins of replication, but these sequences are not well defined - especially in complex, multi-cellular, eukaryotic species. The length of DNA that spans an origin...
10.8K
DNA Replication02:40

DNA Replication

60.0K
DNA replication involves the separation of the two strands of the double helix, with each strand serving as a template from which the new complementary strand is copied.  After replication, each double-stranded DNA includes one parental or “old” strand and one “new” strand. This is known as semiconservative replication. The resulting DNA molecules have the same sequence and are divided equally into the two daughter cells.
Replication in Prokaryotes
DNA replication...
60.0K
Replication in Prokaryotes02:35

Replication in Prokaryotes

99.1K
Overview
99.1K
Replication in Prokaryotes01:32

Replication in Prokaryotes

28.1K
DNA replication has three main steps: initiation, elongation, and termination. Replication in prokaryotes begins when initiator proteins bind to the single origin of replication (ori) on the cell's circular chromosome. Replication then proceeds around the entire circle of the chromosome in each direction from the two replication forks, resulting in two DNA molecules.
Many Proteins Work Together to Replicate the Chromosome
Replication is coordinated and carried out by a host of specialized...
28.1K
Replication in Eukaryotes02:31

Replication in Eukaryotes

205.7K
Overview
205.7K
Lineage Commitment01:21

Lineage Commitment

4.4K
Commitment is the  process whereby stem cells:
4.4K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Comorbidity of Nightmares in U.S. Military Personnel With Insomnia, Obstructive Sleep Apnea, or Co-Morbid Insomnia and Obstructive Sleep Apnea.

Military medicine·2026
Same author

Sleep health profiles of young adult college students: A latent profile analysis.

Journal of psychiatric research·2026
Same author

Stress and cardiovascular disease: Testing a vigilance pathway in two contemporary theories.

Health psychology : official journal of the Division of Health Psychology, American Psychological Association·2026
Same author

Design and Recruitment for the Comparative Effectiveness of Zolpidem/Trazodone and Cognitive Behavioral Therapy for Insomnia (COZI) Study in Rural Adults.

Behavioral sleep medicine·2026
Same author

Examining daily affect variability by individual differences among a diverse community sample.

Emotion (Washington, D.C.)·2026
Same author

Comparison of the processing of positive memories technique and supportive counseling for posttraumatic stress disorder: A randomized controlled trial.

Behaviour research and therapy·2026
Same journal

The cognitive foundations of children's culture.

The Behavioral and brain sciences·2026
Same journal

Let the kids play: Children's folklore, Newell's paradox, and the triviality barrier.

The Behavioral and brain sciences·2026
Same journal

Variable cultural acquisition costs may explain contextual variation in peer cultures.

The Behavioral and brain sciences·2026
Same journal

What's special about peer cultures? The opportunity for disagreement.

The Behavioral and brain sciences·2026
Same journal

The adaptive role of peer culture is shaped by risk landscapes.

The Behavioral and brain sciences·2026
Same journal

Hidden cultures: How parental control shapes children's cultural adaptation in East Asian societies.

The Behavioral and brain sciences·2026
See all related articles

Related Experiment Video

Updated: Feb 10, 2026

A Mass Spectrometry-Based Approach to Identify Phosphoprotein Phosphatases and their Interactors
10:17

A Mass Spectrometry-Based Approach to Identify Phosphoprotein Phosphatases and their Interactors

Published on: April 29, 2022

2.9K

Replicators, lineages, and interactors.

Daniel J Taylor1, Joanna J Bryson1

  • 1Department of Computer Science,University of Bath,Bath BA2 7AY,UK.djt20@bath.ac.ukjjb@cs.bath.ac.ukhttp://www.cs.bath.ac.uk/~jjb.

The Behavioral and Brain Sciences
|June 28, 2014
PubMed
Summary
This summary is machine-generated.

This study clarifies that cultural evolution and cultural group selection are distinct processes. An agent-based model demonstrates how these separate evolutionary pathways can interact and influence each other over time.

More Related Videos

Studying RNA Interactors of Protein Kinase RNA-Activated during the Mammalian Cell Cycle
10:05

Studying RNA Interactors of Protein Kinase RNA-Activated during the Mammalian Cell Cycle

Published on: March 5, 2019

6.9K
Co-localization of Cell Lineage Markers and the Tomato Signal
10:56

Co-localization of Cell Lineage Markers and the Tomato Signal

Published on: December 28, 2016

12.8K

Related Experiment Videos

Last Updated: Feb 10, 2026

A Mass Spectrometry-Based Approach to Identify Phosphoprotein Phosphatases and their Interactors
10:17

A Mass Spectrometry-Based Approach to Identify Phosphoprotein Phosphatases and their Interactors

Published on: April 29, 2022

2.9K
Studying RNA Interactors of Protein Kinase RNA-Activated during the Mammalian Cell Cycle
10:05

Studying RNA Interactors of Protein Kinase RNA-Activated during the Mammalian Cell Cycle

Published on: March 5, 2019

6.9K
Co-localization of Cell Lineage Markers and the Tomato Signal
10:56

Co-localization of Cell Lineage Markers and the Tomato Signal

Published on: December 28, 2016

12.8K

Area of Science:

  • Evolutionary biology
  • Cultural evolution
  • Agent-based modeling

Background:

  • The concept of groups acting as interactors in evolution is debated.
  • Distinguishing between cultural evolution and group selection requires precise definitions of replicators and lineages.

Purpose of the Study:

  • To analyze the appropriate replicators and lineages for models of group selection.
  • To differentiate cultural evolution from cultural group selection.
  • To model the interplay between cultural evolution and group selection.

Main Methods:

  • Theoretical analysis of evolutionary replicators and lineages.
  • Development of an agent-based model simulating communication of food-processing skills.

Main Results:

  • Cultural evolution is shown to be a distinct process from cultural group selection.
  • The agent-based model illustrates that these two processes can influence each other.

Conclusions:

  • A clear distinction between cultural evolution and cultural group selection is necessary.
  • Interactions between cultural evolution and group selection can be modeled and understood through agent-based approaches.