Complex sentence: The monogamy hypothesis, formulated by Jacobus Boomsma, is currently the leading hypothesis concerning the initial evolution of eusociality in hymenoptera and uses Hamilton's kin selection approach in a way that applies to both haploid and diploid organisms.
Split into simpler sentences: The monogamy hypothesis, formulated by Jacobus Boomsma, is currently the leading hypothesis concerning the initial evolution of eusociality in the Hymenoptera. It uses Hamilton's kin selection approach in a way that applies to both haploid and diploid organisms.