Exam 5: Human Variation: Evolution, Adaptation, and Adaptability

Which of the following best describes the difference between a deme and a subspecies?

Homo sapiens is divided into local populations that differ by one or more phenotypic traits. In other words, it is a __________ species.

A balanced polymorphism that is maintained because the advantageous phenotypes only retain their advantage when they are present below a certain frequency is called __________.

In a balanced polymorphism, __________ prevents any of the alternative phenotypes from going to fixation or being lost.

In the event of maternal-fetal incompatibility of the rhesus system, the child of __________ is likely to need a blood transfusion.

Which of the following best defines cline?

Which of the following terms is commonly used interchangeably with the term subspecies?

Friedrich Blumenbach believed __________.

The main carbohydrate in mammal milk is a sugar called __________.

According to Allen's Rule, __________.

An ethnobiologist studies __________.

Explain two ways genetic markers have been used to trace gene flow in contemporary populations. Why are morphological markers rarely used for this?

Gene flow in skeletal populations is commonly traced by investigating __________.

Trace the perspectives on human variation from the ancient Greeks up to (but not including) the race concept of the twentieth century.

__________ is the most important component of skin color.

People with more melanin are less susceptible to the effects of UVR than people who have less melanin.

Research into _________ revealed that members of the Lemba ethnic group in Africa are indeed genetically related to Semitic populations.

Humans may cope with the environment with __________.

What is adaptability and how does it differ from acclimatization?

Which of the following blood systems is most important for typing organs for organ transplantation?