Question

a persons 46 chromosomes are made up of approximately how many genes?
a. 20,500
b. 30,000
c. 15,000
d. 25,000

Explanation:

Current estimates suggest the human genome, which consists of 46 chromosomes, contains around 20,000 - 25,000 protein - coding genes. Among the given options, 25,000 is the closest to the current scientific estimate.

Answer:

D. 25,000