Point mutations
A) usually involve spontaneous changes in a gene's DNA
B) only occur in junk DNA
C) usually involve increasing or decreasing the chromosome number
D) only occur under experimental conditions
E) usually involve a doubling of the DNA at a particular locus
A
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The belief that species do not change but are the same as when first created is known as
a. fixity of species. b. the Great Chain of Being. c. heliocentric. d. uniformitarianism. e. natural selections.
Most human traits that vary from one group of people to another do so because of ________ adapting local populations to local environmental conditions
Fill in the blank(s) with correct word
The __________ are an ascribed outcast group in Japan who are believed without evidence by most Japanese people to be racially distinct
a. Koreans b. Burakumin c. Ainu d. Hibakusha
The Iroquois were comprised of __________ nations who acted as a single political unit when dealing with outsiders
a. three b. five c. seven d. twelve