No.
Jamaicans had a tremendous DJing and music production culture that far predates and played a huge role in the development of Hip Hop.
Dub was arguably the first genre of modern electronic music, and a precursor to Hip Hop (and pretty much all sample based electronic music). And it was started in the late 1960s. And like Hip Hop it was all about taking pre-existing recordings/beats and manipulating them into new ones. Except it predates Hip Hop by nearly a decade. On top of that you had the whole sound system battle and Dancehall culture of Jamaica through the 60s and 70s, which was where you got the whole communal culture of folks gathering and "toasting" each other over popular beats in competition.
Jamaicans and Caribbeans like Kool Herc brought all that sounds system, DJing, toasting, production, sampling, "dubbing" culture of Jamaican DJing with them to America, during the height of disco and funk music. Yes there were American DJs and DJing culture before Jamaicans arrived. This is not to undermine those legendary disco DJs who were spinning records and also there during the advent of Hip Hop. But sampling and electronic music production had an entire life of its owns in Jamaica that came together with Americans in New York and helped give us the genre. You'd have to be ignorant to not see the clear influence Jamaican music production and culture of the late 60s and 70s had on the origins of Hip Hop. I mean to this day there is such a healthy exchange between American Hip Hop and Jamaican Dancehall. The two genres constantly introducing and adapting new production ideas from each other.
But c00ns like Tariq just wanna pit black folks against each other, erase Caribbeans from Hip Hop history, and claim Hip Hop was created in Mississipi by Southern Baptist church accapella groups in the 1940s, just so he can brand and sell another low budget movie. Someone tell the clown the DVD market is dead.
By the end of the day, I can't get with this new age crab in a barrel shyt nikkas wanna call pro-black. Hip Hop is black music created by black people. Americans and Caribbeans alike. Only c00ns with hurt egos need this to be "American" so damn bad.