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Related Concept Videos

Law of Independent Assortment02:03

Law of Independent Assortment

While Mendel’s Law of Segregation states that the two alleles for one gene are separated into different gametes, a different question of how different genes are inherited remains. For example, is the gene for tall plants inherited with the gene for green peas? Mendel asked this question by experimenting with a dihybrid cross; a cross in which both parents are homozygous for two distinct traits resulting in an F1 generation that are heterozygous for both traits.
Law of Independent Assortment02:03

Law of Independent Assortment

While Mendel’s Law of Segregation states that the two alleles for one gene are separated into different gametes, a different question of how different genes are inherited remains. For example, is the gene for tall plants inherited with the gene for green peas? Mendel asked this question by experimenting with a dihybrid cross; a cross in which both parents are homozygous for two distinct traits resulting in an F1 generation that are heterozygous for both traits.
Relationship Formation02:12

Relationship Formation

What do you think is the single most influential factor in determining with whom you become friends and whom you form romantic relationships? You might be surprised to learn that the answer is simple: the people with whom you have the most contact. This most important factor is proximity. You are more likely to be friends with people you have regular contact with. For example, there are decades of research that shows that you are more likely to become friends with people who live in your dorm,...
Distribution and Dispersion00:54

Distribution and Dispersion

Ecology is the study of how organisms interact with their environment and with one another. An important aspect of ecology is understanding where species are found and how individuals are distributed within those areas. The geographic range of a species refers to the total area where its members are located, while dispersion describes the pattern of spacing of individuals within that range.Geographic Range and Dispersion PatternsWithin a species’ geographic range, individuals may be distributed...
Causes of Similarity-Dissimilarity Effect01:26

Causes of Similarity-Dissimilarity Effect

The similarity-dissimilarity effect, a fundamental concept in social psychology, explains how interpersonal similarities and differences influence attraction and social interactions. This effect is supported by three key psychological perspectives: balance theory, social comparison theory, and consensual validation.Balance Theory and Cognitive ConsistencyBalance theory, developed by Fritz Heider, posits that individuals seek cognitive consistency in their relationships. When two people share...
Nondisjunction01:29

Nondisjunction

During meiosis, chromosomes occasionally separate improperly. This occurs due to failure of homologous chromosome separation during meiosis I or failed sister chromatid separation during meiosis II. In some species, notably plants, nondisjunction can result in an organism with an entire additional set of chromosomes, which is called polyploidy. In humans, nondisjunction can occur during male or female gametogenesis and the resulting gametes possess one too many or one too few chromosomes.

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Related Experiment Video

Updated: Jun 11, 2026

A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance
09:01

A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance

Published on: May 7, 2014

Concurrency and network disassortativity.

Susan Khor1

  • 1slc.khor@gmail.com

Artificial Life
|July 1, 2010
PubMed
Summary
This summary is machine-generated.

Disassortative networks require fewer colors for graph coloring than assortative networks. This suggests disassortative networks, common in biology, may offer higher concurrency potential, driving their evolution.

Related Experiment Videos

Last Updated: Jun 11, 2026

A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance
09:01

A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance

Published on: May 7, 2014

Area of Science:

  • Network science
  • Graph theory
  • Computational biology

Background:

  • Networks with broad degree distributions are common in biological systems.
  • Degree-degree correlation influences network properties and behavior.
  • Graph coloring is a fundamental problem in computer science and network analysis.

Purpose of the Study:

  • To investigate the relationship between degree-degree correlation in networks and graph coloring.
  • To compare the coloring requirements of disassortative and assortative networks.
  • To explore the implications of network topology on concurrency potential in biological networks.

Main Methods:

  • Studied networks with broad degree distributions.
  • Analyzed the impact of degree-degree correlation on graph coloring.
  • Compared coloring needs for disassortative versus assortative networks under controlled conditions.

Main Results:

  • Disassortative networks require fewer colors than assortative networks for graph coloring.
  • Fewer colors imply fewer independent sets, suggesting higher concurrency potential.
  • This finding provides a new perspective on the prevalence of disassortative patterns in biological networks.

Conclusions:

  • Disassortative network topology may enhance cellular concurrency.
  • Increased concurrency could be a driving force in the evolution of biological networks.
  • Network structure, specifically degree-degree correlation, plays a crucial role in biological system function and evolution.