Download Genetics Guided Notes Use Chapter 12

Genetics Guided Notes
Use Chapter 12-4 to answer the following prompts.
Mutation comes from the latin word meaning “_____________”
Define Point Mutation:
Name the three types of point mutations
Define Frameshift Mutation:
Look at figure 12-20 to see the effects on a sentence due to a deletion.
Define Chromosomal Mutation:
What are the 4 types of chromosomal mutations. Provide a quick explanation of each and include a simple drawing.
1.
2.
3.
4.
“Significance of Mutations” Explain one beneficial, one harmful, and one neutral significance of mutations
Benefit-
Harmful-
Neutral-
Define Polyploidy and provide two examples of these types of organisms from the text:
Gene Regulation
Use Chapter 12-4 to answer the following prompts.
Summarize the introduction paragraphs on page 309.
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What is a promoter?
Define Operon:
Where does E.coli get its name lac operon from?
Draw figure 12-22 in your notes but do not write out the DNA sequence below it. Label the features.
Enzymes are proteins. Enzymes break things down. Why would the lac operon(three protein coding genes) be
important to E.coli living in an environment where the only food source was lactose?
Lac genes are _____________ by _________________ and _______________by ________________________________
Define Operator:
Eukaryotic Gene Regulation: Rewrite the gold key:_______________________________ _________________________
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Define Differentiation:
What genes control cell differentiation during development?