The biggest challenge is rejection. Sometimes the human body will not accept the pig organ unfortunately.
Hope this helped. Good luck !
The answer would be cretinism
Iodine is an element that vital for making thyroid hormone. Deficiency of iodine can cause hypothyroidism which can lead to growth retar..dation of the child inside the mother. This will cause the child develop a disease called cretinism. A child with cretinism will have a disturbance in growth and development.
Gel electrophoresis separates DNA fragments so they can be seen.
B looks like the best to me