‘Son’s’ tend to only share 1/2 their DNA with their parents. So this analogy is tricky. Genetically they are one and the same, more like identical twins.

(Unless, of course, Baby groot was actually grown from the pollen/spores/seeds emitted by Groot in the crash landing scene?) pic.twitter.com/nLxjiwphwA

— James Wong (@Botanygeek) May 7, 2018