Tocallallofthesepeople“homosexuals”，however，mightbeconsideredaninappropriateapplicationofamodernconstructionofsexualidentitytoatimewhentherewasnohomosexuality-heterosexualitydichotomy.Itwasgenerallynotuntilthelasthundredyearsthatpeopleallovertheworldbegantoidentifythemselvesashomosexualandviewitmoreasanidentity，withasurroundingculture，thanasatypeofbehavior.
3.Whatissexualorientation？
Sexualorientationreferstoanindividual’snaturalsexualinclination.Itisnotthesamethingasa“sexualpreference”，whichimpliesthatthereisachoiceinvolved.Individualsgenerallyfallinoneofthreecategoriesinthisrespect.Homosexualindividualsdesireothersofthesame-sex.Heterosexualsareinclinedtowardsmembersoftheoppositesex.Bisexualsareinclinedtowardsmembersofboththesameandoppositesex.
4.Istransgenderasexualorientation？
No，transgender，sometimesalsoreferredtoastranssexual，isnotasexualorientation.Someonewhoistransgenderdoesnotnecessarilyhavedesiresforthesamesex.Transgenderrefersexclusivelytoone’sconceptionandexpressionofone’sowngender.Forexample，amanwhochangeshissextofemalemaycontinuetodesirewomen.Thetermtransgenderincludesthosewhoundergosexreassignmentsurgeryaswellasthosewhoexpresstheirgenderinotherways，suchasthroughdress（transvestites）.
5.Howmanygaysarethereintheworld？