Answer:
Coronary Artery
Explanation:
A blockage by blood clot formation is coronary artery called as thrombus reduces the blood flow to the heart. The reduced blood flow causes the heart to dysfunction and the myocardial infarction occurs. Heart tissue can sustain serious damage upon such a shock.
 
        
             
        
        
        
The answer is A. 
Neither B nor C make sense, because in a sensible experiment, we dont try to mess up the results or replace results.
 
        
             
        
        
        
Answer:
Determine whether the trait is dominant or recessive. If the trait is dominant, one of the parents must have the trait. Dominant traits will not skip a generation. If the trait is recessive, neither parent is required to have the trait since they can be heterozygous.
Explanation:
 
        
             
        
        
        
Mendel proposed the law of segregation and the law of independent assortment toexplain the inheritance behind his pea plant traits. A hundred years later, Boveri and Sutton developed the chromosome theory of inheritance, which stated thatchromosomes were responsible for the heredity Mendel observed.
        
             
        
        
        
Species suited to a particular niche