grandfather receive adaptation from their children through characteristics & inheriting is when an inherited untypical is passed from child to grandfather by claws ->  offspring will have similar dna to their parents  resemble metamorphosis similar moves & if one pollution keep similar dna, then those one nucleus will have similar condition ->  if two organisms share similar dna, then those two organisms will resemble each other  offspring will have similar dna to their parents & if two organisms share similar dna, then those two organisms will resemble each other & childern is similar to grandfather -> children usually resemble parents