Homosexuals are not deformed people nor are the abnormal physcially any more than heterosexuals the term abnormal is applied to their sexual behavior which is abnormal.
Here is the definition of abnormal :
not normal, average, typical, or usual; deviating from a standard: abnormal powers of concentration; an abnormal amount of snow; abnormal behavior.
Having same sex is not average, typical or usual for the majority of humans, This isnt even arguable the argument comes from overbearing people that want it the way they want it, with no compromise.
Abnormal behavior in the case of homosexuality is obvious