Create a new passwordUploader: Arashilrajas 2 month ago Subscribe 7
This often happens because some of the genes control switching circuits that turn development on and off and control its pace, and small differences in input can mean big differences in output. One study has identified 7 SNPs - small genetic variations - associated with breast size. I'm 17 yet my boobs are very small. What happens if you press your boobs? But most importantly, breast size is determined by your individual set of genes.