Interactive Assessment for The Making of the Fittest: The Birth and Death of Genes: Interactive Video Builder: HHMI BioInteractive

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This film explores how gene duplications and mutations have led to remarkable physiological adaptations in Antarctic fish.

The discovery of the Antarctic icefish has provided a stunning example of adaptation in an environment that is both hostile and abundant. Scientists Bill Detrich, Christina Cheng, and Art DeVries have pinpointed the genetic changes that enable icefish to thrive without hemoglobin and red blood cells and to avoid freezing in the icy ocean.

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Topics:: Natural Selection

Cardiovascular System

Mutations
Grade Levels:: College

High School — AP/IB

High School — General

A number of questions are embedded within the short film The Making of the Fittest: The Birth and Death of Genes, which illustrates how gene duplications and mutations have led to remarkable physiological adaptations in Antarctic fish.