Answer:
The Marburg virus wasn't mutating this early on, therefore the Coronavirus is much more deadlier and almost impossible to get a cure for, due to the rapid change in pathogens!
 
        
                    
             
        
        
        
The correct genotypes of the parents are <span>AaBb and Aabb
In a cross of these two genotypes presented in the image below, 5/8 of the offspring would be deaf.
The individuals marked with a red square would be deaf because of the recessive aa alleles and the rest of the progeny that is marked with green would be deaf because of the presence of the B dominant allele.</span>
 
        
        
        
SOS:
The answer is <em><u>gametes!</u></em>
<em>Hope this helps!</em>
 
        
                    
             
        
        
        
Insects (mosquitoes, lice, fleas, bed bugs) and ticks are able to transmit a number of diseases caused by infectious agents: viruses (chikungunya virus, yellow fever, dengue fever, etc.), bacteria (Lyme disease, plague, etc.), parasites (malaria, sleeping sickness, leishmaniasis, filariasis, etc.)
 
        
             
        
        
        
I think it’s the first one