354/4561 and that is I think the answer
It's between the Sagittarius and Perseus Arms of the Milky Way. The image below shows it. Our sun is located the Orion Arm<span>, or </span>Orion Spur<span>, of the Milky Way galaxy. It's a minor spiral arm, located between two other arms.</span>
Natural selection is a specific mechanism of evolution in which the heritable traits help an organism to survive and reproduce successfully. answer B
Answer:
the SRY gene.
Explanation:
The SRY gene was found within the minimum region of Y-specific DNA required for male development. Confirmation of its role was found by the analysis of XY female patients with mutations within this gene. A mouse has been an important working model to study the process of mammalian sex determination.
