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

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

C.   a clearly defined biological breeding population

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

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

A.   determined purely by genetic traits

B.   a recessive allele

C.   universally present in all human groups

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

A.   show no significant differences in intelligence among human populations

B.   are culturally biased

C.   Are a reliable indicator of genetic differences in intelligence

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

A.   the result of genetic experiments gone awry.

B.   always debilitating

C.   a genetic adaption to the malarial parasite

D.   present in all people of West African descent.

A.   applied to endogamous breeding populations

B.   based on genealogical records

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

D.   based on DNA testing

A.   The transparency or thickness of the skin.

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 foods that you eat.

E.   Reflected color from the blood vessels.

A.   Genetic variation with the Cline family lineage.

B.   gradual variation in genetic traits across geographic regions

C.   subtle variations in skin color among racial groups

D.   the genetically determined ability to sing on key

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

B.   easily sorted into 3 or 4 major groups

C.   show continuous clinal variation across space

D.   correspond to the major continents

A.   polytypic

B.   influenced by culture

C.   Climatic

D.   polymorphic

E.   hereditarian

A.   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.

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

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

D.   The Inuit are a cold-weather adapted population

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