1 - 12 of 22 results

Preserving Maize Genetic Diversity

This video follows germplasm bank coordinator Cristian Zavala Espinosa and geneticist Sarah Hearne, who are part of the global effort to preserve the genetic diversity of maize (corn).

Genetics
Evolution
Environmental Science
Scientists at Work
High School — General
High School — AP/IB
College

From Dog DNA to Human Diseases

This video follows biologist Elinor Karlsson, who studies dogs to find genes associated with traits, including certain diseases.

Genetics
Evolution
Scientists at Work
High School — General
High School — AP/IB
College

Mystery of the Missing Tusks

This activity explores images of elephants with and without tusks, which serve as phenomena for learning about selection and human impacts on the frequency of traits within populations.

Evolution
Environmental Science
Phenomenal Images
High School — General
High School — AP/IB

Why Two Heads?

This activity explores images of planarians regenerating missing body parts, which serve as phenomena for learning about cell division and differentiation.

Cell Biology
Anatomy & Physiology
Phenomenal Images
High School — General
High School — AP/IB

Stalking the Genetic Basis of a Trait

This activity supports the film Popped Secret: The Mysterious Origin of Corn. Students analyze data on the expression of the tb1 gene to explain how variations in this gene played a role in the evolution of corn.

Genetics
Anatomy & Physiology
Evolution
Science Practices
Lessons
High School — AP/IB
College

Genetic Mutations and Disease

This interactive module explores how mutations arise in germline and somatic cells. It also shows how these mutations can lead to genetic conditions, such as cystic fibrosis and cancer.

Genetics
Cell Biology
Anatomy & Physiology
Click & Learn
High School — General
High School — AP/IB
College

Selective Breeding in Maize

This activity guides the analysis of a published scientific figure from the world’s longest-running controlled artificial selection study, in which scientists tested whether they could use selective breeding to change the protein concentration of maize (corn).

Anatomy & Physiology
Evolution
Science Practices
Data Points
High School — General
High School — AP/IB
College

The Teosinte Hypothesis

In this activity, students further explore the short film Popped Secret: The Mysterious Origin of Corn, by working through the mathematical concepts behind George Beadle’s claim that teosinte is the wild ancestor of maize.

Genetics
Anatomy & Physiology
Evolution
Science Practices
Lessons
High School — General
High School — AP/IB
College

Interactive Assessment for Popped Secret: The Mysterious Origin of Corn

A number of questions are embedded within the short film Popped Secret: The Mysterious Origin of Corn, which explores the genetic and archaeological evidence that corn was domesticated from a wild Mexican grass called teosinte.

Genetics
Anatomy & Physiology
Evolution
Interactive Videos
High School — General
High School — AP/IB
College

Activity for Popped Secret: The Mysterious Origin of Corn

This activity explores how scientists determined how and where corn was domesticated, as discussed in the short film Popped Secret: The Mysterious Origin of Corn.

Genetics
Anatomy & Physiology
Evolution
Film Activities
High School — General
High School — AP/IB
College

Synchronized Division

This activity explores an image of early embryonic cells, which serves as a phenomenon for learning about cell division and development.

Cell Biology
Anatomy & Physiology
Phenomenal Images
High School — General
High School — AP/IB

Popped Secret: The Mysterious Origin of Corn

This film explores the genetic and archaeological evidence that suggest that corn is the result of the domestication of a wild Mexican grass called teosinte.

Genetics
Anatomy & Physiology
Evolution
Short Films
High School — General
High School — AP/IB
College