I think its B if I'm not correct I'm sorry
And get a A+ on the assessment :D
Is it supposed to be a question to a book you're reading? Do you have choices, or even the book link?
The biggest known human gene, dystrophin, is made up of about 2.4 million bases. The Human Genome Project also gave us more detailed information about chromosomes. It turns out that chromosome 1 contains the most genes – 3168, while the Y chromosome has the fewest – about 344.