Homosexuality can be turned on and off in fruit flies, allowing them to just be flies
http://www.livescience.com/animals/071209-fly-genes.html 'Yup. I can see it now.
"No, Steve. No. You can control it!"
-"I CAN'T!"
"Yes you can. Look at her, Steve. Look at this fine Drosophila melanogaster. Look at her hot, glistening copulatory bursa. She's got a spermatheca, Steve."
-"It doesn't mean anything to me!"
"You want to meet her, don't you? Get to know her? Maybe... I don't know, use your maxillary palps to smell her thoracic ganglion a little?"
-"I DON'T HAVE THOSE!"
"Trust in Jesus, Steve."' Fark User CtrlAltDelete