I think the answer is a cell..
        
             
        
        
        
In four o'clock flowers, red petals show incomplete dominance over white petals. If two pink flowers are crossed, 50 percent of the flowers will be homozygous, and 25 percent of the flowers will be heterozygous.
 
        
                    
             
        
        
        
Answer:
A tight junction is a watertight seal between two adjacent animal cells, which prevents materials from leaking out of cells.
Explanation:
 
        
             
        
        
        
The answer is. Marsh. have a good one