Your answer would be B. Prefrontal Cortex. I hope this helps!
        
             
        
        
        
Answer and Explanation:
The functions of the red and yellow bone are as under:
- Red bone marrow are a large portion of the red and white platelets and platelets themselves are created in the red bone marrow.  
- Hemopoetic division of stem cells happens.  the red color of the Hemoglobin imparts its color to the bone marrow as a result of which it appears red.
- Yellow bone marrow produces ligament and bone. The yellow color of this bone marrow is due to the presence of a fat containing acrotoid pigment in it.
 
        
             
        
        
        
The physiological basis for having your daughter continue is
through the way she moves in which up until now, she hasn’t been moving
smoothly like other child but rather than awkward. Through this, the mother
would likely think that she should let her daughter drop out from that class
because she doesn’t seem to have any improvement and if she were to have an
improvement with her movements, then the mother would likely let her daughter
to continue.
 
        
             
        
        
        
1.) Achodroplasia is a autosomal dominant disorder, the suspected case suggested that inorder for the parents to produce and offspring with achondroplasia. One parents must have a single mutant gene of achodroplasia to be inherited by his offspring. for this case, It is suggested that the offspring might have developed its own mutant gene as it only affect 1 in 25,000 birth. There is changes of genes during early development. 
2.) The mother said that they don't have that history of disorder. again, it's autosomal dominant disorder. one parents must have that kind of disorder so their child can also inherit it. Thus, no of the childs parents is a carrier.