Questions from Genetics


Q: Which butterfly has a more active pigment-producing enzyme, the

Which butterfly has a more active pigment-producing enzyme, the dark- or light-colored one? From Figure 1.7c:

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Q: What is extranuclear inheritance? Describe three examples.

What is extranuclear inheritance? Describe three examples.

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Q: What is a reciprocal cross? Suppose that a gene is found

What is a reciprocal cross? Suppose that a gene is found as a wildtype (functional) allele and a recessive mutant (nonfunctional) allele. What would be the expected outcomes of reciprocal crosses if a...

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Q: Among different species, does extranuclear inheritance always follow a maternal inheritance

Among different species, does extranuclear inheritance always follow a maternal inheritance pattern? Why or why not?

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Q: Extranuclear inheritance often correlates with maternal inheritance. Even so, paternal

Extranuclear inheritance often correlates with maternal inheritance. Even so, paternal leakage may occur. What is paternal leakage? If a cross produced 200 offspring and the rate of mitochondrial pate...

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Q: Discuss the structure and organization of the mitochondrial and chloroplast genomes.

Discuss the structure and organization of the mitochondrial and chloroplast genomes. How large are they, how many genes do they contain, and how many copies of the genome are found in each organelle?...

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Q: If you mix together an equal number of F+ and F

If you mix together an equal number of F+ and F− cells, how would you expect the proportions to change over time? In other words, do you expect an increase in the relative proportion of F+ or of F− ce...

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Q: Explain the likely evolutionary origin of mitochondrial and chloroplast genomes. How

Explain the likely evolutionary origin of mitochondrial and chloroplast genomes. How have the sizes of the mitochondrial and chloroplast genomes changed since their origin? How has this occurred?

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Q: Which of the following traits or diseases is(are) determined

Which of the following traits or diseases is(are) determined by nuclear genes? A. Snail coiling pattern B. Prader-Willi syndrome C. Leber hereditary optic neuropathy

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Q: Acute murine leukemia virus (AMLV) causes leukemia in mice.

Acute murine leukemia virus (AMLV) causes leukemia in mice. This virus is easily passed from mother to offspring through the mother’s milk. (Note: Even though newborn offspring acquire the virus, they...

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