When new alleles enter a gene pool, the frequency of the new allele
A. will always remain low.
B. will increase then decrease.
C. could have been caused by migration of individuals into the population.
D. is not influenced by in-migration, only by out-migration.
C. could have been caused by migration of individuals into the population.
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Mechanism of genetic transfer that uses competent cells
A. Transformation B. Transduction C. Conjugation D. All of the answers are correct
The hydrogenation of vegetable oil results in:
A) the oil becoming more liquid at room temperature. B) a decrease in the number of hydrogen atoms in the oil molecule. C) an increase in the number of double bonds between the carbon atoms. D) the conversion of monounsaturated fatty acids into polyunsaturated fatty acids. E) a decrease in the number of double bonds between the carbon atoms.
Color blindness only occurs in males. Indicate whether the statement is true or false
As John walked outside the ballpark, a foul ball sailed over the fence and came straight at him. He saw it, and before he could think of what to do, he had reflexively jumped out of the way. What part of the brain saved John from a nasty bump?
A) hypothalamus B) medulla oblongata C) pons D) midbrain