In short, I would think that normal distribution of the various dominant and recessive traits would ensure the passing on of the characteristics.
However, I'm a lay person and truly don't know the answer. It's a great question though and, as most great questions do, generates more great questions.
A really good link is provided here: https://medlineplus.gov/genetics/understanding/inheritance/inheritancepatterns/
In short, I would think that normal distribution of the various dominant and recessive traits would ensure the passing on of the characteristics.
However, I'm a lay person and truly don't know the answer. It's a great question though and, as most great questions do, generates more great questions.
Jim