I want to buy a new bike and start riding again (I haven't ridden a bike since I was little but I loved it) and maybe lose a few kilos, but will my legs become bulky if I start riding regularly? I don't want them to.
equal influence on personality? a) Heritability estimates show that it's about 50/50 influence.
b) They may have an equal influence because of the way they interact with each other, i.e. gene-environment interaction.
c)?