Answer:
Genetic recombination occurs due to crossing over between homologous chromosomes.
Explanation:
 
        
             
        
        
        
Answer: p2 + 2pq + q2 = 1
p2 = homozygous dominant gene
2pq = heterozygous gene
q2 = homozygous recessive gene
 
        
             
        
        
        
Answer:
An ATOM!, is the smallest unit of matter that has characteristic properties of its element. Explanation: An atom a major part of the matter. (Everything in the world (except energy) is made of a material, and, so, everything in the universe is composed of atoms.
 
        
             
        
        
        
<span>It is a nerve agent. Or chemical asphyxiant. An example is Hydrogine Cyanide.  </span>
        
             
        
        
        
Answer:
It controls opening and closing movements of the stomata, but that isn't one of the answer choices. 
Explanation: