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Science (3575 resources)

How Was That Sheep Cloned?

Grade Levels: 3 - 5

INTRODUCTION
Students discover how scientists took DNA from a cell in one sheep to clone a brand new sheep that was genetically identical to the original.

SUGGESTED TIME ALLOWANCE
40 minutes

OBJECTIVES
Students will:

use vocabulary related to cloning.

learn how scientists used DNA to clone a sheep.

learn how scientists hope to use cloning to help people with serious diseases.

MATERIALS

Activity worksheet: Carbon Copies (http://www.sfscience.com/admin/pdf/5A2_3BLM.htm)

Website: Carbon Copies (http://www.sfscience.com/english/grade_5/unit_A/chap_2/act_3/1.htm)

Website: Cloning Dolly
(http://www.manitoulin.com/cloning/cloning_dolly.htm)

Website: The Cloning of Dolly (http://www.luc.edu/faculty/wwasser/dev/shclone.htm)

PROCEDURES

Introduce key vocabulary: cell, clone, DNA, gene, protein.

Have students visit the Carbon Copies website.

http://www.sfscience.com/english/grade_5/unit_A/chap_2/act_3/1.htm

Ask students to complete the Carbon Copies worksheet using the information found at the Cloning Dolly and The Cloning of Dolly websites.

Encourage students to write on the back of their activity worksheet two, three, or more questions that they would like to ask Dolly.

Have students work individually or with partners.

Set up a time when students can share their results, discoveries, and questions. Discuss ways to determine the answers to the new questions.

ASSESSMENT

Use the Scoring Guide Rubric to assess students' understanding of the topic and group discussion skills.

STANDARDS CORRELATION
National Science Education Standards
http://books.nap.edu/html/nses/html/index.html

Students develop understanding that:

many characteristics of an organism are inherited from the parents of the organism, and other characteristics result from an individual's interactions with the environment.

hereditary information is contained in genes (located in the chromosomes of each cell), each of which carries a single unit of information.

scientists make the results of their investigations public; they describe the investigations in ways that enable others to repeat the investigations.

National Educational Technology Standards
http://cnets.iste.org/students/

Students:

demonstrate a sound understanding of the nature and operation of technology systems.

use technology tools to enhance learning, increase productivity, and promote creativity.

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