How to Increase Probability of Twins ?

A new study has said that the chance to have twins among African American mothers can be boosted by the link between smoking and specific genetic profile. African American mothers who smoke and have a genetic profile that includes a single nucleotide polymorphism (SNP) of the TP53 gene have an increased likelihood of having twins, concluded a team of researchers from the University of South Florida (USF) and the University of Illinois at Urbana-Champaign. In ...