I think the correct answer from the choices listed above is the first option. The circumstances that this condition would manifest would be if  the child is a male and its mother has the recessive allele. X-linked recessive inheritance<span> is a mode of </span>inheritance<span> in which a </span>mutation<span> in a </span>gene<span> on the </span>X chromosome<span> causes the phenotype to be expressed in males </span><span>and in females who are homozygous for the gene mutation</span>
        
                    
             
        
        
        
“Cells grow weaker in time, and get more prone to the mutation.”
        
             
        
        
        
One can stimulate a baby to breathe by slapping  his butt or by flicking the soles of his feet. This is normally done in order to stimulate a baby to take his first breath through the process of crying. Crying will force the baby to take his first breath and at the same time, it will enable the lungs and the airways to be cleared of liquid substances. 
        
             
        
        
        
A sperm cell is the smallest human cells. An egg cell and a sperm are each other opposites
        
             
        
        
        
Anther should be the answer