All of the following are communicable diseases, except
A. pertussis (whooping cough).
B. influenza.
C. botulism.
D. measles.
Answer: C
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While mapping two genes in Drosophila, you observe 30 recombinants among 200 total offspring. What is the distance between these genes?
A. 30 map units B. 6.67 map units C. 200 map units D. 15 map units
Which of the following is not a function of the replicative form (dsDNA) of phage phiX174?
A. Function to direct the synthesis of minus-stranded DNA. B. Function to direct the synthesis of mRNA. C. Function to direct the synthesis of plus-stranded DNA. D. Function to direct the synthesis of more RF copies.
Soils of the tundra are very __________ due to __________
a. old; lack of precipitation b. young; lack of precipitation c. old; glaciation d. young; glaciation e. thick; high precipitation
You decide to carry out genetic association studies and identify a SNP variant that is found significantly more often in individuals who have schizophrenia than in those who are not affected. This SNP is found within an intron of the SZP gene
A. Can you deduce that an abnormality of the SZP gene is a cause of increased risk of schizophrenia? B. Can you say whether the SNP variant itself is a cause?