A. two sickle ce… Show more QUESTION 1 Resistance to malaria and fitness of the human host is best conferred by A. two sickle cell alleles B. a heterozygous condition (only one allele for sickle cell trait in a human) QUESTION 2 Which of the following best explains why rabbit myxoma virus in Australia became less virulent over time? A. opportunities for pathogen transmission decreased B. infected rabbits lived for shorter periods of time C. it jumped into the kangaroo species QUESTION 3 According to the current fossil record, Acheulean technology: A. was restricted to the genus Homo B. was found in the genus Homo and Australopithecus sediba C. was more ancient than Oldowan tools D. was shared by all hominins QUESTION 4 Which of the following statement(s) is/are accurate as suggested by phylogenetic analyses shown in the textbook? A. apes and hominins are more closely related to new world monkeys than old world monkeys B. apes and hominins are equally related to new and old world monkeys C. apes and hominins are more closely related to old world monkeys than to new world monkeys • Show less