C. a toy train is the item that has characteristics similar to a scientific model.
Answer:
Teens have more social interactions per day through electronic devices
Explanation:
While it may be true that teens have more social interactions per day through electronic devices,
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.
