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

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

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

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

E.   a clearly defined biological breeding population

A.   determined purely by genetic traits

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

C.   universally present in all human groups

D.   a recessive allele

A.   show no significant differences in intelligence among human populations

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

C.   Are a reliable indicator of genetic differences in intelligence

D.   are culturally biased

A.   always debilitating

B.   the result of genetic experiments gone awry.

C.   a genetic adaption to the malarial parasite

D.   present in all people of West African descent.

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

B.   applied to endogamous breeding populations

C.   based on genealogical records

D.   based on DNA testing

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

B.   The foods that you eat.

C.   Reflected color from the blood vessels.

D.   The transparency or thickness of the skin.

E.   the pigments carotene and melanin.

A.   subtle variations in skin color among racial groups

B.   Genetic variation with the Cline family lineage.

C.   the genetically determined ability to sing on key

D.   gradual variation in genetic traits across geographic regions

A.   correspond to the major continents

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

C.   easily sorted into 3 or 4 major groups

D.   show continuous clinal variation across space

A.   influenced by culture

B.   hereditarian

C.   Climatic

D.   polymorphic

E.   polytypic

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

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

C.   The Inuit are a cold-weather adapted population

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

E.   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.