Abstract：
:The effect of free mate choice on the relative magnitude of fitness benefits has been examined among various species. The majority of the data show significant fitness benefits of mating with partners of an individual's own choice, highlighting elevated behavioral compatibility between partners with free mate choice. Similarities between humans and other species that benefit from free mate choice led us to hypothesize that it also confers reproductive benefits in Homo sapiens. To test this hypothesis, we conducted a study among three indigenous societies-the Tsimane', Yali, and Bhotiya-who employ natural birth control. In all three samples, we compared the marriages arranged by parents with the non-arranged ones in terms of number of offspring. Here, we show that there were no significant relationships between type of marriage and the total number of alive children and number of dead children among the three sampled groups. The presented study is the first to date to examine the fitness benefits of free mate choice in humans. In discussion we present limitations of our research and discuss the possibility of love having a beneficial influence in terms of the number of offspring.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Sorokowski P,Groyecka A,Karwowski M,Manral U,Kumar A,Niemczyk A,Marczak M,Misiak M,Sorokowska A,Huanca T,Conde E,Wojciszke B,Pawłowski Bdoi
10.1038/s41598-017-10484-xsubject
Has Abstractpub_date
2017-08-31 00:00:00pages
10127issue
1issn
2045-2322pii
10.1038/s41598-017-10484-xjournal_volume
7pub_type
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