A chip of the old block.

A chip retains the character of the block it came from. The image presents a smaller piece as recognizably part of something larger.

The proverb describes a child whose personality, habits, or abilities closely resemble a parent’s. The resemblance may be admired or criticized.

Use it to comment on a noticeable similarity between a child and a parent, especially in behavior or temperament. The tone depends on whether the trait being compared is welcome.