Which of the statements below is false regarding the relationship between malaria and the HbS allele?
a. There is no geographic correlation between the distribution of the HbS allele and malaria.
b. Heterozygotes have greater resistance to malaria than homozygous individuals.
c. The malarial parasite does not reproduce very well in the red blood cells of heterozygotes.
d. Malaria is caused by the Plasmodium parasite.
e. Most people are homozygous for the HbA allele.
a
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The female pelvis is characterized by:
A. a U-shaped subpubic angle B. a wide and shallow sciatic notch C. a smaller acetabulum D. all of these
People may categorize kin both by the use of terms of reference and by terms of address
Indicate whether the statement is true or false
In terms of political stability, state societies are:
a. The most unstable type of political system. b. Necessarily vigilant at all times for signs of threat to elite authority. c. Built on consensus with no need to solidify themselves through violent or coercive action. d. Most effective when different ethnic groups are given opportunities to fully express their ethnic cultures. e. Unlikely to survive when they have large populations of indigenous peoples.
Why did North American agriculturalists switch to a dependence on corn?
A) Corn is nutritionally superior to other crops. B) Corn is easier to harvest and store than many other crops. C) Corn has a particularly high yield per acre of farmland. D) Corn is more delicious than other crops known at the time.