I have two tetras a orange one and a clear one and i dont know wich one had babies?

I waas looking in my fish tank and i seen a babies.it was hiding behind my fish tank heater.it is silver.i have two kinds of tetras.one oarange and a silver one.i was reading that if an orange tetra has babies the babies will hide and the babies will be silver.that is what the babie looks like.i also cant find any other babys i dont know if they are eaten or what.NEED HELP!!!!!!!!!!!!!!!!!!!