Answer:
I believe it would be 30 chromosomes 
Explanation:
Hope that this helps you    ;-)
 
        
                    
             
        
        
        
Answer: Another name for beta-minus particle is electron.
Explanation: Beta-minus particle  is released during the beta-minus decay nuclear reaction.
 is released during the beta-minus decay nuclear reaction.
In this nuclear reaction, a neutron gets converted into proton and electron. The electron released is the beta-minus particle.
The charge on these particles is -1 and mass of these particles is negligible.