hy·brid·ize 
(hībrĭ-dīz′)
(hībrĭ-dīz′)v. hy·brid·ized, hy·brid·iz·ing, hy·brid·iz·es
v.intr.
1. To produce hybrids; crossbreed.
2. To form base pairs between complementary regions of two strands of DNA that were not originally paired.
v.tr.
To cause to produce a hybrid; crossbreed.
hy′brid·i·zation (-brĭ-dĭ-zāshən) n.
hybrid·iz′er n.