This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
In gene studies, the specific site to which the enzyme CRE recombinase binds is: 
Select and explain. 
A. RE site, B. LoxP site, C. NT site, D. F site
B: LoxP site
Answer: B: LoxP site 
Explanation: Ans: B. LoxP siteCre-Lox recombination - Known as "Site-specific recombinase technology".* Widely used to carry out deletions, inseions, translocations & inversions at specific sites in cellular DNA.* Consists of Cre-recombinase enzyme. - Recombines a pair of sho target sequences called "Lox sequences".* Cre enzyme & original Lox site - Referred as "LoxP sequence" - Derived from bacteriophage P1.* Lox P (locus of X-over P1) - Site on bacteriophage P1 consisting of 34 bp.Ref https://en.wikipedia.oig/wiki/Cre-Lox_recombination)