Non-disjunction occurs when a the chromosomes do not split properly during meiosis resulting in too few chromosomes I believe.
        
             
        
        
        
Answer:
Glucose utilization would increase a lot.
Explanation:
Aerobic condition indicates the presence of large amount of oxygen in the body. Anaerobic condition means that the oxygen is limited or deficient in the body.
The muscle cells shows anaerobic condition during exercise and produces lactic acid. Since, the ATP demand is same in both the  aerobic and anaerobic conditions. This increases the demand of glucose in the body. Glucose utilization is increased to provide proper energy to the individual.
Thus, the correct answer is option (a).
 
        
             
        
        
        
The answer that describes the sentence above in which is a segment of DNA that are being coded in means of making one type of protein molecule is known as the gene. The gene is considered to be a unit that is physical and function responsible for heredity.
        
                    
             
        
        
        
Explanation:
Answer is chest
If Answer is wrong then I'm sorry!
I hope it's helpful!