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Related Concept Videos

Monohybrid Crosses01:20

Monohybrid Crosses

Overview
Monohybrid Crosses01:20

Monohybrid Crosses

Overview
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.
Chromosomal Theory of Inheritance01:39

Chromosomal Theory of Inheritance

In 1866, Gregor Mendel published the results of his pea plant breeding experiments, providing evidence for predictable patterns in the inheritance of physical characteristics. The significance of his findings was not immediately recognized. In fact, the existence of genes was unknown at the time. Mendel referred to hereditary units as “factors.”
Trihybrid Crosses02:27

Trihybrid Crosses

Trihybrid Crosses
Some of Mendel’s crosses examined three pairs of contrasting characteristics. Such a cross is called a trihybrid cross. A trihybrid cross is a combination of three individual monohybrid crosses. For example, plant height (tall vs. short), seed shape (round vs. wrinkled), and seed color (yellow vs. green).
The F1 generation plants of a trihybrid cross are heterozygous for all three traits and produce eight gametes. Upon self-fertilization, these gametes have an equal chance to...

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Related Experiment Video

Updated: Jun 2, 2026

Following the Dynamics of Structural Variants in Experimentally Evolved Populations
04:52

Following the Dynamics of Structural Variants in Experimentally Evolved Populations

Published on: February 3, 2023

New experiments for an undivided genetics.

Michael R Rose1, Laurence D Mueller, Molly K Burke

  • 1Department of Ecology and Evolutionary Biology, University of California, Irvine, CA 92697-2525, USA. mrrose@uci.edu

Genetics
|May 7, 2011
PubMed
Summary
This summary is machine-generated.

Experimental genetics research is unifying. New methods like quantitative trait loci analysis and genotype-phenotype associations bridge the gap between lab strains and wild populations, enhancing scientific power.

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Area of Science:

  • Genetics
  • Evolutionary Biology
  • Genomics

Background:

  • Historically, experimental genetics research was divided between mechanistic studies using homozygous lab strains and variation studies in wild populations.
  • Mechanistic studies offered reproducibility but lacked evolutionary context, while wild population studies provided context but lacked functional insights.

Purpose of the Study:

  • To describe the unification of experimental genetics research.
  • To highlight how new experimental strategies are bridging the divide between different research approaches.

Main Methods:

  • Genome-wide analysis of quantitative trait loci (GWAS)
  • Genotype-phenotype association studies
  • Experimental evolution

Main Results:

  • Emerging experimental strategies are fostering a convergence of research approaches in genetics.
  • This unification strengthens the scientific power of experimental genetics.

Conclusions:

  • The integration of diverse methodologies is enhancing the interpretation and scope of genetic research.
  • Future genetic research will likely benefit from this interdisciplinary approach.