Yeast Mitochondria Have a Tubular Morphology

question 7

Multiple Choice

Yeast mitochondria have a tubular morphology.In a mutagenic screen,two mutants are isolated that have fragmented mitochondria instead of tubular mitochondria.To determine if these two mutations are at the same or different loci,the two mutants are crossed.The progeny all have tubular mitochondria.What do you conclude?

• A)The mutations are at different loci.
• B)The mutations are at the same locus.
• C)Not enough data is presented.

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Definitions:

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The 31st President of the United States, serving from 1929 to 1933, best known for his leadership during the early years of the Great Depression.

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