HLA haplotypes of Neanderthal and Denisova origin have been identified in modern Eurasian and Oceanian populations .
A fraction in turn interbred with Denisovans , probably in south - east Asia , before populating Melanesia .
HLA haplotypes of Neanderthal and Denisovans origin have been identified in modern Eurasian and Oceanian populations .
A fraction in turn interbred with Denisovans , probably in south - east Asia , before populating Melanesia .