Which does NOT produce variation?
a. crossing over
b. random alignment of chromosomes during meiosis
c. mitosis
d. genetic recombination of alleles
e. sexual reproduction
C
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Which of the following is (are) an example(s) of
prokaryotes? a. all protists b. some fungi c. all algae d. all bacteria e. all of these
Which of the following binds to codons?
A) DNA B) Transfer RNA C) Messenger RNA D) RNA polymerase
Which of the following is the purpose of using a control groups in an investigation?
a) to establish a standard for data comparison b) to provide the correct answer to an investigation c) to determine the dependent variables d) to function as a third variable group
The X and Y chromosomes which determine the gender of an individual are known as the ________ chromosomes.
Fill in the blank(s) with the appropriate word(s).