Quiz 2 Flashcards
(180 cards)
human variation field of anthropology
physical/biological
hypoxia
oxygen deprivation in high altitude
how do Andean altiplano people deal with hypoxia
have more hemoglobin in blood to increase O2 supply
how do Tibetan Himalayan plateau people deal with hypoxia
increased breath rate to increase blood flow
the Tibetan Himalayan Plateau interbred with
Denisovans
the Ethiopian highland people adapted to hypoxia by
genetic adaption to lower cardiac signaling protein to maintain normal heart rhythm and BP
paleoanthropologist who focused on skin color
nina jablonksi
the farther from the equator, skin color is lighter/darker
lighter
tropical equatorial zones
within 30 latitude of equator
tropical equatorial zone skin color adaptive response
more melanin, causing darker skin
tropical equatorial zone skin color selective pressure
protection from UV rays
temperate zone
above 30 latitudes
temperate zone selective pressure on skin color
need for vitamin D
temperature zone adaptive response to skin color
less melanin, lighter skin
dark skin is prone to what in the north
frostbite and rickets
light skin is prone to what in the south
sunburn and skin cancer
inuit skin color reasoning
dark skin to protect from reflected UV rays from the snow
northern people have bigger eye sockets to
see better in dark winters
indigenous people in the north are short/tall because
short to trap heat
indigenous people in the south are short/tall because
tall to promote heat loss
La Brana
body found in spain that had dark skin and blue eyes
white skin color came from a
DNA mutation
skin color is a trait
polygenic
polygenic trait
continuous gradation in expression of trait