What does this tell you (more than one answer is correct) a. Explain why a rock pocket mouses color influences its overall fitness. Educators earn digital badges that certify knowledge, skill, and experience. Their dark color was caused by 2 different genes. Save time lesson planning by exploring our library of educator reviews to over 550,000 open educational resources (OER).Īn all-in-one learning object repository and curriculum management platform that combines Lesson Planet’s library of educator-reviews to open educational resources with district materials and district-licensed publisher content.Ī comprehensive online edtech PD solution for schools and districts. If you completed the rock pocket mouse activity on molecular genetics. Most rock pocket mice that live in areas covered by dark-colored lava rocks, however, are dark. The illustrations and short film show that there is natural variation of coat color in the population of rock pocket mice living on the lava flow. NATURAL SELECTION AND EVOLUTION OF ROCK POCKET MOUSE POPULATIONS. Rock pocket mice that live in areas with a light-colored granite substrate are usually sandy in color. Timely and inspiring teaching ideas that you can apply in your classroom The rock pocket mouse is an excellent model organism for studying geographic variation in phenotype within a single species. Manage saved and uploaded resources and foldersīrowse educational resources by subject and topic Explain how you decided which illustration represents the most recent rock pocket mouse population and why you positioned the others in the sequence as you did.Search reviewed educational resources by keyword, subject, grade, type, and more Indicate your order by circling the appropriate number on your data sheet. a prediction that describes what the population will look like 100 yearsin the future. an explanation of what caused the changes. Your summary should include: a description of how the population has changed over time. Place the illustrations in order from oldest to most recent. Write a scientific summary that describes changes in the rock pocket mouse populations at Location B. Record your counts in the spaces provided on your data sheet (page 1) 2. Mutations with even a small selective advantage can lead to rapid evolution of populations. Count the number of light-colored and dark-colored mice at each location at each moment in time. q 0.5 Explanation: q2 (4/16) or 0.25, therefore q the square root of 0.25 or 0.5. 1 Student Directions: Pocket Mouse AnalysisĢ Warm-up The illustrations represent snapshots of rock pocket mouse populations at two different locations, A and B, at a particular moment in time. If there are 12 rock pocket mice with dark-colored fur and four with light-colored fur in a population, what is the value of q Remember that light-colored fur is recessive.
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