<span> It </span>contains<span> most of </span>the cells genetic material<span>, organized with a large variety of proteins such as histones to </span>form<span> chromosomes.</span>
By taking a glance at the pedigree we can see that rickets transmission is not autosomal but instead it is x linked recessive. Without wasting time look at the no of offspring of 1 that is 4 since two out of four have rickets then the chances of having rickets by method of probability is 1/2
