What makes penis size?

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is penis size have to do with genitics or is it just how it is made or is it a bit of both?

Mostly genetics.

yeah it is genetics, what ever genomes and proteins combine determines what you get, but that is what makes life, life.

Yes, the way it is made is controlled by your genes, through their effect on levels of various hormones at various stages. Nutrition doesn't seem to make much difference.

ok i have a question about penis size. you always hear about how blacks have huge wangs compared to gringos and ive also noticed that blacks are more frequently ripped, lean, larger and just stronger and more athletic. this is a stereotype but its what ive noticed at my school. could this be from more testostorone and why their penises are larger?

hmmmmmmmm. I am not sure. I know from this website that it is true that African-Americans have larger penises, but the being ripped and stuff, I am not sure why that is. I would not base what you see just at your school as something that is widely true.

I believe it also has to do with genes and African-American ancestors.Most of the African-Americans living in the US today are ancestors of slaves. Slaves were commonly forced to have sex so their offspring would be strong and so slave-owners would then get richer. This kind of control of breeding and determining to was fit to reproduce would then almost weed out genes of the weaker people. This explains the difference in physique from the common African-American to the African.I actually find this hard to beleive, but it makes sense in a way so I'm not going to dismiss it completely.

Its genetics. Blacks have only 3% higher testosterone levels on average than non-blacks. Average penis size in blacks, while larger, is only slightly larger than whites, at about 0.25" to 0.5" larger.