Answer: when it envolves the world
Explanation: if it has anything to do with the world observations are better than experimenting and much safer.
The correct answer is Solid.
Answer:
Genes, chromosomes, and nucleus
IAIA IAiO IBIB IBiO IAIB iOiO
These are the blood types: A, A, B, B, AB, and O, respectively.
Since both A and B are dominant to O, which is recessive, they share the trait when both expressed (type AB).
This is called [B. Codominance.]