Answer:B
Explanation:
Codominant is when neither allele is recessive so they are both expressed in the phenotype
<span>Unidirectional flow in the heart is ensured because the heart contains valves that prevent backflow.
These valves keep the flow of the heart going in one direction (hence the name "unidirectional").</span>
Answer:
Y most likely represents springs.
Answer:
we need to see the diagram
Explanation:
