CONSTRUCTION OF A DETAILED PHYSICAL MAP OF HUMAN CHROMOSOMES A) BE...

87) Construction of a detailed physical map of human chromosomes

A) began in earnest in 1960.

B) was completed by entirely by American scientists.

C) was completed in 1990.

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D) was an attempt to locate all 3 billion human chromosomes.

E) none of the above

Answer: E

Diff: 3 Page Ref: 40

Topic: 2.3 Fundamental Genetics

Type: (Factual)

Rationale: None of these statements is correct; D is incorrect because human DNA contains 3 billion

bases, not 3 billion chromosomes.