A.   a clearly defined biological breeding population

B.   the product of natural selection occurring over thousands of years

C.   a group of people defined statistically by clusters of linked genetic traits

D.   a social classification that is often assumed to have a biological basis

E.   a biological classification based on the presence or absence of specific genetic traits

A.   universally present in all human groups

B.   a recessive allele

C.   due to a combination of genetic and environmental factors.

D.   determined purely by genetic traits

A.   Are a reliable indicator of genetic differences in intelligence

B.   are culturally biased

C.   show no significant differences in intelligence among human populations

D.   can discriminate between genetic and cultural factors in native intelligence

A.   present in all people of West African descent.

B.   always debilitating

C.   a genetic adaption to the malarial parasite

D.   the result of genetic experiments gone awry.

A.   applied to endogamous breeding populations

B.   based on genealogical records

C.   based on DNA testing

D.   culturally arbitrary, even though most people assume them to be based on biology

A.   Reflected color from the blood vessels.

B.   the pigments carotene and melanin.

C.   Reflected color from the blood vessels... And The foods that you eat….and The transparency or thickness of the skin. …and

D.   The transparency or thickness of the skin.

E.   The foods that you eat.

A.   Genetic variation with the Cline family lineage.

B.   the genetically determined ability to sing on key

C.   gradual variation in genetic traits across geographic regions

D.   subtle variations in skin color among racial groups

A.   Show that Europeans and Africans are easily distinguishable, but Asians are hard to classify

B.   show continuous clinal variation across space

C.   easily sorted into 3 or 4 major groups

D.   correspond to the major continents

A.   polytypic

B.   influenced by culture

C.   hereditarian

D.   Climatic

E.   polymorphic

A.   The Inuit have a similar body build to Neandertals, with stocky bodies and shorter legs.

B.   The Inuit have a body build similar to many tropical peoples

C.   The Inuit are a cold-weather adapted population , The Inuit have a body build similar to many tropical peoples, The Inuit have a similar body build to Neandertals, with stocky bodies and shorter legs.

D.   The Inuit are so well-adapted to the cold that they wear little clothing.

E.   The Inuit are a cold-weather adapted population