Mutations & Genetic VariationANSWER KEY
Name: Period: Date:
1.Cells are filled with cytoplasm and organelles, each with specific functions
2.Gene expression controlled by chemical signals determines cell type
3.Genes are discrete units; dominant/recessive patterns determine expression
4.Mutations can be beneficial, harmful, or neutral depending on context
[!] STUDY GUIDE: Big Ideas Use to answer form questions!
1.Mutations are changes in DNA sequence. They can happen during DNA copying or from environmental factors like UV radiation.
2.Mutations can be beneficial, harmful, or neutral. The effect depends on how the changed protein functions in the organism's environment.
3.Mutations create genetic variation. This variation is the raw material for evolution and allows populations to adapt over time.
DNA Change -> Different Protein -> Changed Trait -> Helpful/Harmful/Neutral?
MUTATION PATHWAY: DNA changes affect protein function and organism survival
[#] KEY TERMS Define in YOUR words
Mutation
A change in DNA sequence
DNA
Molecule that carries genetic inst…
Beneficial
Mutation that helps survival
Harmful
Mutation that reduces survival
[?] THE PHENOMENON Write BEFORE Hook form
How do parents pass traits to their children without touching their DNA?
Parents never physically touch their children's DNA, yet somehow their traits get passed on. And sometimes, entirely new traits appear that neither parent has!
Your initial thinking:
[>] AFTER HOOK FORM Reflect, then continue +2 pts
I learned that...
Station 1 — Mutation Types Investigation
Types of mutations include...
A mutation affects proteins by...
Key insight:
Station 2 — Mutation Outcome Analysis
Example of beneficial mutation...
Whether a mutation helps/harms depends on...
Key insight:
[/] DAY 1 EXIT TICKET Complete before leaving +5 pts
Q1:
What is a mutation? How does a change in DNA affect the proteins made by a cell?
Q2:
Give an example of a beneficial mutation and explain why it helps survival.
Confidence:
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Mutations & Genetic Variation (continued)ANSWER KEY
Name:
[=] Day 2 start
Station 3 — Design a Genetic Counseling Guide
The genetic condition I researched...
How this mutation affects the protein...
Key information for families...
Key insight:
[+] MAKING CONNECTIONS Use for Exit Ticket!
How do mutations connect to inheritance (W5)? Can a mutation in a parent be passed to offspring?
Why are mutations NOT always bad? How can they help a species survive?
[/] DAY 2 EXIT TICKET Final check before Science Circle +5 pts
Q1 (NEW):
Explain why the same mutation might be harmful in one environment but beneficial in another. Give an example.
Q2 (SPIRAL - W5):
How do chromosomes and alleles work together to pass traits from parents to offspring?
Q3 (INTEGRATION):
Are all mutations bad? Give an example to support your answer, explaining how the mutation affects the organism.
CHECK TEST YOUR THINKING Rate each: FALSE ← 1–2–3–4–5 → TRUE
1. Cells are hollow or empty inside
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2. Cell specialization is random or luck-based
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3. Traits from parents blend like mixing paint
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4. Mutations are always harmful
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5. Cells are filled with cytoplasm and organelles, each with specific functions
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Pick any TWO statements — especially any you rated 2, 3, or 4. Justify your rating with evidence:
Statement #___ — I rated it ___ because:
Statement #___ — I rated it ___ because:
[O] SCIENCE CIRCLE ~15 min | End of week +3 pts
[!] My "Aha!" Moment
[?] My Remaining Question
Discussion Protocol: Share ahas, listen actively, record class discoveries.
CLASS DISCOVERIES
1.
2.
[X] We used to think:
[OK] Now we understand:
[*] Something challenging I tried:
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