Question

31. How many different types of histones are found in the nucleosome that packages mitochondrial DNA? A) zero B) one C) two D) three E) four 32. The theory states that the ancestors of mitochondria and chloroplasts were free living bacteria A) phylogenetic B) endosymbiotic C) cell D) cytoplasmic inheritance E) old world 33. The presence of more than one variation of DNA in the organelles of a single cell is called: A) homoplasmy. B) heteroplasmy. C) hemiplasmy. D) pseudoplasmy. E) paraplasmy. 34. Pea plants produce both pollen and eggs. A pea plant inherits a mutation for cytoplasmic male sterility. How will this affect the plant and/or its progeny? A) The plant will be able to reproduce only by self-fertilization. B) The plant will be able to reproduce only by cross-fertilization. C) The plant will be unable to produce progeny. D) The plant will produce progeny, but the progeny will not be able to reproduce. 35. Paternal transmission of mitochondria is common in which group? A) humans B) mice C) most gymnosperms D) most flowering plants E) insects

Answer 1

QUESTION 31

In this case, the mitochondrial DNA is freely dispersed in the mitochondrial matrix and it does not contains any histone. So, the correct answer zero

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