Answer:
<h2>Recessive to
</h2>
Explanation:
1. As given here, both parents are black, and their 247 progeny out of 333 are black, it clearly indicates that 3/4 progeny is parental phenotype and 1/4 is different type.
2. This clearly show that both parents are heretogyzous, one allele is dominant and one is recessive.
3. Here black is dominant over blue.
4. Dominant allele express them-self in dominant homogyzous as well as heterogyzous condition.
It would change the way that it was written as a formula
I think gills
but idk so don't fully take my word on it
A characteristic that is not passed down geneticly