Recombination between sister chromatids produces new combinations of alleles that may be beneficial to the species
Indicate whether the statement is true or false
FALSE
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Lakes with elevated dissolved nutrients and low water clarity are called ______.
A. lotic B. oligotrophic C. eutrophic D. adibiatic E. headwaters
Stem cells are used in which of the following techniques?
a. therapeutic cloning b. development of genetic markers c. DNA profiling d. recombinant DNA technology
_____ confers some benefit on an individual who carries them
1.Deleterious mutations 2.Lethal mutations 3.Neutral mutations 4.Advantageous mutations 5.Somatic cell mutations
Desiccation, a time-honored method of preserving food, is effective because the
A. heat of the process kills microbes. B. freezing step of the process kills microbes. C. salt concentration is too low to support metabolic function. D. UV light used in the process of sun drying penetrates effectively. E. water content is too low to support metabolic function.