The most common and most likely answer to this crossword clue is the 10 letter word HEREDITARY
I've seen this crossword clue in Financial Times
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More clues leading to the result HEREDITARY
- Looking wrong, yet red hair is in the family
- Some peers are at this place, a dirty mess
- Passed on woman’s European journal about this, but not man’s
- The girl’s dietary change is genetic
- Present way to improve home, framing art nouveau from parents
- In this place book about tenor’s passed down
- The woman’s allowance of food must raise energy — it’s genetic
- Present tense used in log that’s passed down
- Journal after this point covers time of family development
- The woman wants to change a line of family
Buddy explains!

The straight part
We know that "Passed on" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case passed on = hereditary.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does HEREDITARY mean?
HEREDITARY noun- A hereditary ruler; a hereditary peer in the House of Lords.
- Passed on as an inheritance, by last will or intestate.
- Of a title, honor or right: legally granted to somebody's descendant after that person's death.
- Of a person: holding a legally hereditary title or rank.
- Of a disease or trait: passed from a parent to offspring in the genes
- Of a ring: such that all submodules of projective modules over the ring are also projective.