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More recently, however, the dual-mating strategy fell in disfavor for a number of reasons. One reason is that non-paternity rates are very low globally,<ref>https://labs.la.utexas.edu/buss/files/2013/02/The-Mate-Switching-Hypothesis-FINAL-PUBLISHED-2017.pdf (see Section 6)</ref> | More recently, however, the dual-mating strategy fell in disfavor for a number of reasons. One reason is that non-paternity rates are very low globally,<ref>https://labs.la.utexas.edu/buss/files/2013/02/The-Mate-Switching-Hypothesis-FINAL-PUBLISHED-2017.pdf (see Section 6)</ref> | ||
e.g. only 3% of all children in the U.S. live with a step father.<ref>https://ifstudies.org/blog/more-than-60-of-u-s-kids-live-with-two-biological-parents/</ref> | e.g. only 3% of all children in the U.S. live with a step father.<ref>https://ifstudies.org/blog/more-than-60-of-u-s-kids-live-with-two-biological-parents/</ref> | ||
This suggests, dual-mating was at most be a minor female mating strategy in the past, if it is an evolved adaptation at all. | |||
Of course, it still holds true that women tend to date up, and that they are choosy, but the vast majority of the time they obtain both genes and support from the same partner. | Of course, it still holds true that women tend to date up, and that they are choosy, but the vast majority of the time they obtain both genes and support from the same partner. | ||