Genes versus Scenes

Are humans most influenced by their inherited genetic code or are they most influenced by their
environment?

When it comes to sexual preference, how much do you think is inherited?
In other words, to what extent is homosexuality due to inherited genes?

a. Less than 10%
b. More than 10% but less than 30%.
c. More than 30% but less than 50%.
d. More than 50% but less than 70%.
e. More than 70% but less than 90%.
f.  More than 90%.