what are my chances of getting PhD admission in USA.?

<p>hi,
I did my BS in biochemistry and them MS in molecular biology. unfortunately my BS gpa is not good (2.80). but i got 3.75 gpa in my MS studies along with three international review publications in impact factor jounals. now a days i am preparing myself for GRE. I already have US non immigrant visa (B2). can anybody please tell what are my chances of getting admission in phd molecular biology.</p>