Family Trees and Pedigrees

Resource ID#: 123666 Type: Original Student Tutorial
error indicator Login will be required December 31, 2021 to access all the CPALMS original student tutorials. Florida public school students will continue to have access to this and all other tutorials at or their CPALMS Class Sites. Florida public school teachers will continue to be able to access them here and on For all other teachers, parents, and students, you can access them with a subscription on


Accessible Version Accessible version of the tutorial content in PDFformat

General Information

Subject(s): Science
Grade Level(s): 7
Intended Audience: Students
Keywords: pedigree, sex-linked disorders, x-linked disorders, genes, heredity, autosomal, autosome, XY, XX, genetic disease, dominant, recessive, science, life science, biology, inheritance, pedigree charts, Punnett squares, alleles, dominance, genes, chromosomes, karyotypes, interactive, tutorials, elearning, e-learning
Instructional Component Type(s): Original Student Tutorial

Aligned Standards

This vetted resource aligns to concepts or skills in these benchmarks.

Suggested Tutorials

Albino Alligators Part 3: Pedigrees:

Explore the inheritance of traits using a pedigree chart in this interactive tutorial.

Albino Alligators Part 2: Punnett Squares:

Use Punnett squares to determine the probabilities of genotypes and phenotypes in this original tutorial.

Albino Alligators Part 1: Genotypes and Phenotypes:

Come investigate heredity using the American alligator to help you understand many of the terms and ideas associated with the passing on of genetic traits from parent to offspring, in this interactive tutorial. 

Genetics and Probabilities:

Learn to predict the probability of offspring inheriting different traits and combinations of genes using Punnett squares. In this interactive tutorial you also review genotypes and phenotypes.

From Flowers To Freckles: Mendel's Mighty Model:

Learn how scientists use models to simplify and understand the world around us. In this interactive tutorial, you'll also explore the benefits and limitations of scientific models.

Related Resources

Other vetted resources related to this resource.