Male-female sets may be the only sorts of twin couples discordant to possess sex and so are since popular due to the fact same-sex dizygotic pairs

Lucas Calais-Ferreira, Marcos Age Barreto, Everton Mendonca, Gillian S Dite, Martha Hickey, Paulo H Ferreira, Katrina J Scurrah, John L Hopper, Birthweight, gestational age and you will familial confounding inside the sex variations in infant death: a merged co-dual control study of Brazilian men-female dual pairs identified by people investigation linkage, Internationally Diary out-of Epidemiology, Frequency 51, Issue 5, , Pages 1502–1510,

Continue reading Male-female sets may be the only sorts of twin couples discordant to possess sex and so are since popular due to the fact same-sex dizygotic pairs