Which action is unable to produce variation?

A. Crossing over
B. Random alignment of chromosomes during meiosis
C. Asexual reproduction
D. Genetic recombination of alleles
E. Sexual reproduction


Answer: C

Biology & Microbiology

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powers the hydrologic and other biogeochemical cycles. b. is essential for chemosynthesis. c. is the product of a massive nuclear fission event. d. is eventually released from fossil fuels. e. is eventually released via decomposition.

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The evolution of jointed appendages has made ________ very successful.

What will be an ideal response?

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Production of ATP using the energy liberated when electrons from reduced chemical bonds are passed through the electron transport system is generally referred to as ________.

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