Question

11. The ratio of non-synonymous substitutions to synonymous substitutions [dN/dS) is a measure of a) mutation rate b) genetic drift c) lateralization d) selection strength e) canalization 12. If Jim acquired HIV infection from Julie, we can expect to find a greater genetic variety within the virus community a) found in Julie's blood b) found in Jim's blood c) should be same d) could be either way 13. In which human population do we find the greatest variability in human DNA [frequency of heterozygosity]? a) Ethiopia b) Australia c) Turkey e) Iceland 14. As the earth warmed from the last ice age, heavily armored stickleback fish were left in isolated populations in many lakes left behind by the receding ice. In each lake the population evolved to have reduced armor. This is an example of a) synchronicity b) selection differential c) parallel evolution d) selective sweep e) polygyny

Answer 1

Answer 11 (D) Selection strength

Answer 12 (B) Found in Jims blood

Answer 13 (A) Ethiopia

Answer 14 (C) Parallel evolution