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.
D) was an attempt to locate all 3 billion human chromosomes.
E) none of the above

Question

Quizplus · Accepted Answer

The Human Genome Project, which aimed to map the entire human genome, began in earnest in the late 20th century and was completed in 2003. It was an international effort, not solely American, and aimed to map 3 billion base pairs, not chromosomes.

Construction of a Detailed Physical Map of Human Chromosomes