Answer:
the answer is 0.7%
of concentration of an isotonic solution
Answer:
Its a male, without down syndrome
Explanation:
The fact that it's a male is indicated from the presence of the Y chromosome. In order for this man to have down syndrome, he would have had 3 chromosomes at 21, which he doesnt, meaning he doesnt have down.
Organ system is the answer
Answer: d- because a model is never exactly the same as the thing it represents