Questions with the keyword 'mutation'

• how can animals be born with two heads??x by caitlynfarrar and 2 others. to Jo, Kevin, Louise, Valeria Comments: (so far, 2s comments )
• if you mate with your third cousin is there a risk of you offsprings being geneticly disabled? by ciara2219 to Charlotte, Jo, Kevin, Louise, Valeria Comments: (No comments so far )