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Biology

LS3-2 Causes of Genetic Variation

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HS-LS3-2

Make and defend a claim based on evidence that inheritable genetic variations may result from: (1) new genetic combinations through meiosis, (2) viable errors occurring during replication, and/or (3) mutations caused by environmental factors.


Clarification Statement: Emphasis is on using data to support arguments for the way variation occurs.] [Assessment Boundary: Assessment does not include the phases of meiosis or the biochemical mechanism of specific steps in the process.

Assessment Boundary: Assessment does not include the phases of meiosis or the biochemical mechanism of specific steps in the process.

Prior Knowledge/Preview
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Inquiry science
       Printable activity
Human Inheritance Section 8 CK-12
       On-line activity Summarize 3 In the News items Biology for Life
        Variation activities Susquehannna HS
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LAB experiments
       Lab #1 Transcription and Gene expression Bitescis
       Lab #2 Gene insect generation activity Cornell Inst Biology Teachers
       Lab #3
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Aerospace CONNECTIONS:
Applications and examples
Genes in Space NASA

Caenorhabditis elegans round worm RNAi effects in Space NASA JAXA p39

Caenorhabditis elegans round worm gene effects in Space NASA JAXA p48

Caenorhabditis elegans round worm genomics in Space NASA CSA p82

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EXTENSION material for the curious
Genealogy activity Find Your Roots
Human Genome Project Orni.gov
Developmental Genetics in Space National Research Council
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