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...
CK-12 Foundation
Ck 12: Life Science: Evolution Acts on the Phenotype
[Free Registration/Login may be required to access all resource tools.] Natural selection acts on the phenotype (traits or characteristics) of an individual. On the other hand, natural selection does not act on the underlying genotype...
National Health Museum
Access Excellence: Genetics the Easy Way
A great lesson that deals with genetic probability and recycling. Young scholars will create a recycled "critter" based on genotype/phenotypes.
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...
OpenStax
Open Stax: Anatomy & Physiology: Patterns of Inheritance
Students learn about patterns of inheritance including genotype and phenotype, and then learn about the inheritance of autosomal dominant and recessive and sex-linked genetic disorders.
CK-12 Foundation
Ck 12: Biology: Mendel's Laws and Genetics
[Free Registration/Login may be required to access all resource tools.] Describes genotype and phenotype, and how genes are inherited.
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.
Biology Corner
Biology Corner: Pipe Cleaner Babies
Using chromosome and gene models, students play the roles of two parents in this genetics simulation. The object is to create four offspring and determine their genotypes and phenotypes, and determine the probability of having offspring...
Concord Consortium
Concord Consortium: Geniverse Software
A collection of virtual labs focusing on genetic activities relating to a made up dragon genome. Students explore how inheritance works by studying different cases and running breeding experiments. By changing alleles, students perform...
CK-12 Foundation
Ck 12: Biology: Mendel's Laws and Genetics
[Free Registration/Login may be required to access all resource tools.] Describes genotype and phenotype, and how genes are inherited.
Alabama Learning Exchange
Alex: Genetic Babies
Students will explore Gregor Mendel's laws of genetics in this lesson. Students will be paired in male and female groups. If girls and boys can't be evenly divided, same sex students can be paired to represent research scientists....
TeachEngineering
Teach Engineering: Heredity Mix 'N Match
This site includes a lesson plan designed to teach students how genetic traits are passed down from parents to offspring. Students will explore such concepts as random selection, chrosomes, genotypes and phenotypes using jelly beans and...
Sophia Learning
Sophia: Traits: Lesson 2
This lesson will explain how traits are passed down by alleles, and that one particular genotype determines one particular phenotype. It is 2 of 3 in the series titled "Traits."
Sophia Learning
Sophia: Traits: Lesson 3
This lesson will explain how traits are passed down by alleles, and that one particular genotype determines one particular phenotype. It is 3 of 3 in the series titled "Traits."
ClassFlow
Class Flow: Using a Punnett Square
[Free Registration/Login Required] This flipchart show students how to use a Punnett Square to introduce how homozygous and heterozygous genotypes are inherited and how they determine phenotypes.
![Educaplus: Genotipo Y Fenotipo [In Spanish] Activity](https://content.lessonplanet.com/knovation/original/371951-a5ade7e80d82fa7d263e4942184d8786.jpg?1661804146 "Educaplus: Genotipo Y Fenotipo [In Spanish] Activity")
Educaplus (Jesús Peñas Cano)
Educaplus: Genotipo Y Fenotipo [In Spanish]
Cross different types of peas and study the phenotype and the genotype of the offspring.
Sophia Learning
Sophia: Types of Traits: Lesson 2
This lesson will explain that genotypes can be either homozygous or heterozygous. It is 2 of 4 in the series titled "Types of Traits."
Sophia Learning
Sophia: Types of Traits: Lesson 3
This lesson will explain that genotypes can be either homozygous or heterozygous. It is 3 of 4 in the series titled "Types of Traits."
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.
Science Buddies
Science Buddies: Project Ideas: Rad Radishes: Irradiation on Seed Germination
In this plant biology science fair project, students will investigate effects of irradiation on seed germination. The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and introduction, followed...
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".
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