Comparisons of DNA sequences within the human species have revealed many variations. Which of the following variations involves duplication of relatively long stretches of chromosomes, often including the duplication of protein-coding genes?
A) CNVs
B) SNPs
C) STRs
D) Transposable elements
A
You might also like to view...
If a scientist wanted to determine if a forest environment had been polluted, which of the following groups of organisms typically would be the best indicator for the presence of pollutants?
A. amphibians B. insects C. mammals D. birds E. fish
A patient with a bacteremia identified as E. meningoseptica infection was placed on intravenous penicillin; however, the patient did not improve after 5 days. Which one of the following state-ments explains these findings?
a. The dose was abbreviated and therefore did not have time to work. b. The patient is most likely allergic to peni-cillin and is not responding. c. Penicillin is ineffective against this or-ganism. d. An aminoglycoside should be given along with the penicillin to increase its effects.
Which functional group forms the highly reactive part of aldehydes and ketones?
a. carbonyl group b. hydroxyl group c. phosphate group d. amino group e. carboxyl group
A gene accumulates one mutation every 100
years. If one species splits into 2 now, how many differences will exist in that gene between the two in 500 years? a. 2 d. 100 b. 5 e. 500 c. 10