The red dot is filled. The other red dot is filled because
        
             
        
        
        
The correct answer among all the other choices is B. shaded square. This symbol would the horse breeder use to show a male who is affected by a defective gene. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help. 
        
                    
             
        
        
        
Im thinking its D. bcuz all three A. B. C. are true
        
                    
             
        
        
        
In the presence of unlimited resources and in the absence of disease and predation, Exponential Growth will likely happen. Feel free to mark me as brainiest! <3