Question

the key accomplishment of the human genome project was
a. determining how many genes humans have and their location on chromosomes.
b. identifying differences in male and female genotypes.
c. developing treatments for disorders like schizophrenia and bipolar disorder.
d. identifying the function of all human genes

Explanation:

The Human Genome Project's core achievement was mapping the total number of human genes and their chromosomal positions. Options B, C, and D describe follow-up or related research that came after this foundational mapping, not the key initial accomplishment.

Answer:

A. Determining how many genes humans have and their location on chromosomes.