I don’t think it’s insane, it’s just how is humans are. I don’t think it’s nice. I was very aware about the situation as a whole, bit it’s what people have been doing for years, like years and years. It’s kinda human nature
        
             
        
        
        
<span>Many traits require the concerted action of multiple genetic loci, often in combination with the environment.</span>
        
             
        
        
        
Mass..... mass measures the amount of matter in a substance or object
        
                    
             
        
        
        
Answer:
A 50% chance I believe. The mother will always give the X chromosome and since the father is normal and doesn't carry that ressecive trait they can only get it from the mother. (I'm not completely sure!))