The Soviet Empire Collapsed in the Early 1990s Partly as a Result

question 66

Multiple Choice

The Soviet empire collapsed in the early 1990s partly as a result of

• A) the Soviets' failure to keep pace with America.
• B) a massive loss of Soviet credibility internationally.
• C) both the Soviets' failure to keep pace with America and a massive loss of their credibility internationally.
• D) the refusal of Soviet leadership to attempt a thawing of relations with the United States.
• E) None of these answers is correct.

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Definitions:

Gene Coalesce

A concept in molecular genetics where different alleles at a gene locus in different lineages trace back to a single ancestral allele.

Allele Fixed

The situation in a population where all members carry the same allele of a particular gene, leading to the lack of genetic variation for that gene locus.

Population Size

The total number of individuals within a defined area at a given time.

Molecular Phylogenetic Studies

Investigations that use molecular data, such as DNA sequences, to infer the evolutionary relationships among species.