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Non-Nuclear Inheritance and Random Organelle Assortment
Grade Level
AP Biology
APB.280 Non-Nuclear Inheritance and Random Organelle Assortment
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Which study design would best isolate organelle inheritance from maternal environment when investigating a suspected mitochondrial-DNA trait?
A
Compare reciprocal crosses reared under the same conditions and measure mitochondrial DNA markers in the offspring.
B
Observe only affected mothers and assume any maternal pattern is caused by environment.
C
Remove all mitochondria before fertilization to test whether nuclear alleles remain.
D
Use only father-to-son pedigrees because mitochondrial traits are usually Y-linked.
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