AP Biology — Unit 5.3 & 5.4 FRQ

Use complete sentences. Support your reasoning. Submit a PDF.

Student Information

Figure 1

Crosses of flowers on a variegated plant and the resulting progeny

Figure 1. Crosses of flowers on a variegated plant and resulting progeny.

Free Response Questions

(a) Describe how genetic information is carried in chloroplasts and mitochondria.
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(b) Explain how the inheritance pattern in Figure 1 supports a role for chloroplast genes in chlorophyll production in variegated plants.
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(c) Ovules from a green plant carry a nuclear mutation causing a nonfunctional protein in chlorophyll synthesis. When fertilized by wild‑type pollen, predict the leaf color of the resulting offspring.
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(d) Provide reasoning to justify your prediction.
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