Molecular Clock

Molecular clocks are models that use mutation rates to measure evolutionary time. Mutations tend to accumulate at a constant rate for related species. The rate of mutations is the ticking that powers a molecular clock. This tutorial will help the learners understand this concept in order to recognize how species diverge from a common ancestors.

Resource ID#: 76485 Type: Tutorial

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Direct Link: http://www.classzone.com/cz/books/bio_12_fl/resources/htmls/animated_biology/unit6/bio_ch17_0531_ab_molclock.html

General Information

Subject(s): Science

Grade Level(s): 9

Intended Audience: Educators , Students , Parents

Suggested Technology: Adobe Flash Player

Keywords: Mutations, Molecular clock, Speciation

Instructional Component Type(s): Tutorial, Video/Audio/Animation,

Resource Collection: External Instructional Tutorials

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