Scientists use _______ to produce many copies of small DNA fragments, such as those obtained at crime scenes or from fossils
a. transcription
b. polymerase chain reactions
c. nondisjunction
d. trisomies
e. random assortment of alleles
B
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A solo dance performed by a single, non-speaking character was a(n):
a. pantomime b. mime c. periaktoi d. circus e. none of the above
__________ are rewards and punishments administered by persons in authority, the state, or the law
a. Negative sanctions b. Positive sanctions c. Informal sanctions d. Formal sanctions
Ancient DNA has been extensively used to __________
a. determine cause of death and identify individuals b. study the evolution of Homo sapiens c. examine interbreeding among families d. examine migration patterns and determine the sex of skeletal remains
An alternative to racial classifications that plots or maps the distribution of individual traits in geographic space is known as __________
A. clinal distribution B. isotherms C. gene map units D. phenotype curve