Mitotic recombination occurs between homologous chromosomes. In which of the following would you not expect to encounter mitotic recombination?
A. The fungus, Aspergillus nidulans
B. Tobacco plants
C. Homo sapiens
D. Drosophila melanogaster
A
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During meiosis I:
A. bivalents are formed during prophase I and are taken apart during anaphase I. B. chromosomes undergo reductional division. C. sister chromatids are not separated. D. nonsister chromatids exchange maternal and paternal DNA. E. All of these choices are correct.
Which of the following are true statements about the carbon cycle? Check all that apply.
_____ Carbon and nitrogen fixation are both facilitated by microbes. _____ Burning of gasoline is a contributor to the current imbalance in the carbon cycle. _____ Replacing rainforest with farms decreases atmospheric CO2 levels. _____ In water, inorganic carbon exists in two different forms, both of which can be used by autotrophs. _____ Carbon cycles locally.
Choose the scientific evidence that supports evolutionary theory. Check all that apply.A) the fossil recordB) homologous structuresC) the molecular recordD) intelligent designE) vestigial structures
What will be an ideal response?
Which statement is true of all algae?
a. They are seaweeds. b. They are unicellular. c. They are in the same supergroup as land plants. d. They are photosynthetic. e. They are closely related to diatoms.