A bizarre question

So Mariko and I were having a conversation about what she wanted to do after getting her doctorate, and being as sleepy as she was (it was past her bedtime) she commented that she wanted to grow Cowplants. Like I said it was late.

But then she asked a good question: if you could grow beef on a plant, would vegetarians eat it? Inquiring minds want to know! I mean it no longer legitimately comes from an animal right? Though could you technically call it beef, or would it be a beef substitute? I guess it depends on the genetic structure.... but I think it is perfectly reasonable to say the it should be vegetarian (considering you could actually grow Cowplants that is)