AP Biology · Unit 7: Natural Selection

7.7 Common Ancestry

In short

Specifically, you must understand that membrane-bound organelles, linear chromosomes, and genes containing introns serve as key pieces of evidence for this common ancestry. No specific exclusions are listed for this topic.

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Can you do these?

  • I can identify membrane-bound organelles, linear chromosomes, and genes that contain introns as evidence for the common ancestry of all eukaryotes.

How is Common Ancestry tested on the exam?

The suggested skill for this topic is 6.E (Argumentation). You may be asked to predict the causes or effects of a change in, or disruption to, one or more components in a biological system, specifically applying this to the structural and functional evidence of common ancestry in eukaryotes.

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Common Ancestry: common questions

What do you need to know about Common Ancestry for AP Biology?

Specifically, you must understand that membrane-bound organelles, linear chromosomes, and genes containing introns serve as key pieces of evidence for this common ancestry. No specific exclusions are listed for this topic.

How is Common Ancestry tested on the AP Biology exam?

The suggested skill for this topic is 6.E (Argumentation). You may be asked to predict the causes or effects of a change in, or disruption to, one or more components in a biological system, specifically applying this to the structural and functional evidence of common ancestry in eukaryotes.

How do I know I have mastered Common Ancestry?

Check you can do each of these: identify membrane-bound organelles, linear chromosomes, and genes that contain introns as evidence for the common ancestry of all eukaryotes.

Where does Common Ancestry fit in AP Biology?

Common Ancestry is topic 7.7 in Unit 7: Natural Selection of AP Biology.

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