In a chromosomal inversion a segment of a chromosome is:
a. reversed.
b. duplicated.
c. lost.
d. attached to a nonhomologous chromosome.
e. deleted
A
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The pH of unpolluted rainwater is closest to:
a. 2 b. 4 c. 6 d. 8 e. 10
One group of fruit flies reproduces in August and one group reproduces in September. Which of the
following mechanisms is preventing them from cross breeding? a. hybrid sterility b. genetic isolation c. sexual isolation d. mechanical isolation e. temporal isolation
When the back of a male stickleback turns blue, this signal is perceived by females
A) to indicate danger to the school. B) to describe the location of food. C) as an example of courtship behavior. D) to signal the beginning of the mating season. E) to delimit territory.
A society:
A) is a network of human relations that includes ideas, institutions, and material things. B) refers to structures and processes that authoritatively make and apply rules. C) refers to a broad term encompassing a range of actions and institutions. D) is a basic way of seeing the BGS relationship.