The answer is: They will not continue with pregnancy, if baby is born they rarely survive beyond early childhood.
Most of the zygote with serious chromosomal problem will be dead before labor. A big genetic problem will cause the baby unable to survive. Most of the abortion at the first trimester pregnancy is happen because of the chromosomal problem. If the baby survive till labor they will still have some health problems and most will not survive long.
<span>Yellow marrow fills the canals of long bones, and red marrow is found in the rounded ends of long bones (for example, the femur). Red marrow is made up of components of blood (red & white blood cells, platelets), while yellow marrow is primarily composed of fat cells.</span>