When does crossing over occur?
A. Meiosis I
B. Cytokinesis
C. Meiosis II
D. Mitosis
Answer: A
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Collectively, the majority of carbon stored in reservoirs is in the form of:
A. CO2. B. C6H12O6. C. H2CO3. D. CaCO3. E. CH4.
In the international division of labor, one reason for China's role as a major producer of everything from shoes to toys is the endless supply of people who will work for ________ an hour
A) nothing B) 6 cents C) 60 cents D) 6 dollars E) 60 dollars
The influence of genetic drift on allele frequencies increases as
a. gene flow increases. b. population size decreases. c. mutation rate decreases. d. the number of heterozygous loci increases. e. population size increases.
A group of organs in the body that have a common function make up a(n) ________
A) organism B) brain C) organ system D) tissue