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Image of an anole from the film.

The Origin of Species: Lizards in an Evolutionary Tree

This film explores the adaptation of anole lizards (genus Anolis) to habitats common across the islands of the Caribbean. The anoles are excellent examples of adaptive radiation, convergent evolution, and speciation through reproductive isolation.

Anatomy & Physiology
Evolution
Short Films
High School — General
High School — AP/IB
College
Computer image of MECP2

Role of MECP2 in Gene Silencing

This animation shows how the protein MECP2 helps switch off gene expression.

Biochemistry & Molecular Biology
Genetics
Animations
High School — AP/IB
College
Image of a cat from the video

X Inactivation

This animation shows how X chromosomes are randomly switched off in most female mammals.

Genetics
Anatomy & Physiology
Animations
High School — AP/IB
College