Stanford University
The Genotype/phenotype Distinction
This site talks about the differences between genotype and phenotype. It offers examples, and tells how a genotype determines a phenotype.
City University of New York
Brooklyn College: Genotype and Phenotype
In this informative site, you will find the definition of genotype and phenotype, an explanation of the relationship between genotype and phenotype, an example of a genetic trait, an explanation of the flow of information from DNA to...
Khan Academy
Khan Academy: The Law of Segregation
Resource provides a discussion of Mendel's law of segregation with a focus on genotype, phenotype, alleles, heterozygous/homozygous, and 2 x 2 Punnett squares.
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...
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.
University of Utah
University of Utah: Learn Genetics: Genes and Blood Type
For a concise summary of human blood types, this is a great resource. Discussion includes the topics of genotype, phenotype and agglutinins. There is also a nice pictorial table that summarizes the three blood types.
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.
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
Biology Project: The Gene Machine
Site allows users to learn interesting information about their genes based on his/her physical traits. Provides a brief explanation of how a person's genotype is determined.
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.
Other
North Dakota State Univ.: Detecting and Measuring Linkage
A good site to establish what is meant by gene linkage and sex-linkage.
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.
Other
North Dakota State Univ./mendel's Law of Ind. Asstort.
Good description of Mendel's findings and his second major principle.
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.
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...
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