Which is a <span>post-zygotic barrier to reproduction. </span><span>The postzygotic reproductive barrier is a component that lessens the feasibility or regenerative limit of half-breed posterity. Half-breed zygote variation from the norm is a sort of postzygotic hindrance in which cross breed zygotes neglect to develop regularly.</span>
Some cells are more active than others and also more available-to-promise (ATP). Muscles, especially the cardiac muscle cells work continuously, so they have a large number of mitochondria since the need more energy.
