MENSA Education & Research Foundation
Peas in a Pod: Genetics
Can peas have grandparents? Learn about inherited traits and heredity with a set of activities focused on Mendelian genetics. As your class learns about the process of passing traits along in Punnett squares, they take on the role of...
Other
Univ. Of Connecticut: Hardy Weinberg Principle and Estimating Allele Frequencies
This site from the University of Connecticut is Kent Holsinger's site on The Hardy-Weinberg Principle. A great site to check out on the subject, with links to additional information, including: derivation of the Hardy-Weinberg Principle,...
Khan Academy
Khan Academy: Variations on Mendel's Laws (Overview)
Article reviews Mendel's basic model of inheritance then provides an overview of variations on Mendel's laws, including multiple alleles, incomplete dominance, co-dominance, pleiotropy, lethal alleles, sex linkage, genetic interactions,...
Nature Research
Scitable: Population and Quantitative Genetics
Do you know the difference between population genetics and quantitative genetics? This webpage examines both population genetics which concentrates on frequencies of alleles and genotypes and quantitative genetics which deals with the...
BiologyWise
Biology Wise: Dominant and Recessive Traits in Humans
Explains what dominant and recessive traits are and how they work, and provides a list of single gene traits with the degree of manifestation if they are dominant or recessive. Also discusses co-dominance, incomplete dominance, polygenic...
University of Arizona
The Biology Project: Genetic Drift: An Explanation
This explanation of genetic drift is straightforward and easy to understand. Illustrations are provided to help visual learners
University of Hamburg
University of Hamburg: Deviations From Mendelian Laws And: What Is the Meaning of Dominance?
Upper level discussion of several of Mendel's experiments and laws.
Nobel Media AB
The Nobel Prize: Thomas Hunt Morgan and His Legacy
This detailed article from the Nobel e-Museum explores Thomas Hunt Morgan's career and research in genetics. Read how Morgan's work influenced later scientists and the modern scientific world.
Other
Evolution: The Theory of Natural Selection (Part 1)
These pages are part of a site called Evolution that accompany a textbook by the same name. Mark Ridley is the author. This section has an advanced discussion of determining allele and genotype frequencies using the Hardy-Weinberg ratio.
Estrella Mountain Community College
Estrella Mountain Community College: Codominance
Go to the section titled "The Modern View of the Gene" and the first subtitle is about codominance, or "codominant alleles" and defines codominance as well as explaining its effects. Includes a link to the glossary for a direct...
National Health Museum
Access Excellence: Sex Linked Inheritance: Drosophila
Here are graphics illustrating an experiment with drosophila fruitflies. Sex-linked inheritance is demonstrated here using eye color alleles on X chromosomes. Site by Access Excellence.
Palomar Community College District
Waynes Word: Multiple Gene (Polygenic) Inheritance
Explains and gives examples of polygenic inheritance.
Other
Lawrence Livermore National Lab: Probabilities of Traits
This site explains how to determine the chances of inheriting certain traits from our parents. It gives mathematical examples and exercises.
New York University
Population Size and Genetic Drift: Lecture Notes
This is a college level lecture on genetic drift, complete with mathmatic formulae, includes special links.
Other
North Dakota State Univ.: Mendel's Law of Ind. Assort.
Mendel's second law and how he arrived at it through his experiments. Includes vocabulary and examples.
University of Maryland
Univ. Of Maryland Baltimore Cty/biology Century
Historical perspective on Mendel's contribution. Spends a little time setting up what the current beliefs of Mendel's day were and how he changed things with what he did.
National Institutes of Health
National Center for Biotechnology Information: Phylogenetics Factsheet
A detailed website that explains the history and process of classifying animals using evolutionary, molecular, and physical characteristics relationships. Website also contains information on evolution and evolutionary processes....
University of Arizona
University of Arizona: Blood Types Tutorial
This site from the University of Arizona describes how blood type is passed on from parent to child. The tutorial covers the genetics of the ABO blood groups as well as Rh factor. There are even practice problems and blood type calculators!
Estrella Mountain Community College
Estrella Mountian College: Introduction to Genetics
This site explains genetic beliefs before and after Mendel, and also includes a section on Mendel himself and his experiments, entitled, "The Monk and his Peas".
Palomar Community College District
Palomar College: Mendels' Genetics
This site from Palomar College provides a good background on exactly what Mendel did. Vocabulary links throughout make this a very good introduction article for genetics.
Other
University of Illinois: Population Genetics [Pdf]
This site from the University of Illinois at Chicago provides an in-depth article on Human Genetics, with a focus on primarily population genetics. The article is factual and informative full of charts, formulas, and extensive text. A...
Other
North Dakota State: Mendel's First Law (Law of Segregation)
This resource explains Mendel's first law (Law of Segregation) in detail. Includes Mendel's original experiments with results and conclusions.
Sophia Learning
Sophia: Codominance
This lesson will examine the concept of codominance using blood types as an example.