A chip off the old block
Definition 1 of 1
Pro Tip 1/3Parental Resemblance
Emphasizes strong family traits, whether in looks, behavior, or interests. 
Lisa's talent for painting is impressive; she's a chip off the old block.
Pro Tip 2/3Positive Pride
Often used to express pride in the similarities between parent and child. 
Seeing how his son won the debate, Mr. Smith beamed with pride, 'A chip off the old block!'
Pro Tip 3/3Endearing Tease
Can be a playful, affectionate way to tease someone about shared family quirks. 
You're just as stubborn as your mother—definitely a chip off the old block.