Originally Posted by Uchiha1412Toshi
I was thinking the same thing.... Does anyone know if there were birth defects?
Yes their are. As a matter of fact, the other they, we discussed this in science class.
If family members(as close as brotherXsister or childXparent) were to create
offspring, then the children would have facial, spinal, mental, or other phisical defects. . .