Answer:D
Explanation:
Both parent are Heterozygous for the sickle cell allele. 
Both parent have sickle cell trait in which the both posses one abnormal allele of the hemoglobin beta gene (AS heterozygous genotype) 
When two AS parents mate, probability of giving birth to a sickle cell anemia child is 1/4
AS + AS= AA, AS, AS, SS
 
        
             
        
        
        
Answer:
This is a formal system of naming species of living things by giving each a name composed of two parts.
Explanation:
 
        
                    
             
        
        
        
Oil <span>is the most common resources extracted from the ocean.</span>
        
             
        
        
        
The answer is genetic drift.
        
             
        
        
        
kinetic energy is needed by the molecules in order to escape from the surface.
All the water molecules in the liquid are moving randomly due to the presence of some energy in it. Some of the molecules have more kinetic energy due to absorption of heat energy from the surrounding environment. 
Due to high kinetic energy, these molecules move enough to escape the surface of the liquid. This is called boiling point. This makes the liquid become gas so we can conclude that kinetic energy is needed by the molecules in order to escape from the surface.
Learn more about boiling point here: brainly.com/question/40140
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