Answer: For decreased chances of rejection
Explanation:
The three higly polymorphic MHC 1 genes in human beings are HLA-A, HLA-B and HLA-C.
These determine the compatibility of the organ or tissue in the recipient's body each by the help of many alleles that segregates in a population.
There are very less chances that a random chosen donor will match the a recipient six allele genotype.
This is the reason parent may be the best donor for organ transplantation or tissue transplantation.
( C ) -That the spontaneous generation doesn’t happen
<span>After the third month of development, lanugo develops on the head (thin, first hair), the muscles and bones are formed an shaped, the mouth movement is possible, the liver and pancreas produce fluid secretions, meconium is made (stool of infant), reproductive organs are developed, but the baby's gender is difficult to distinguish on ultrasound.</span>
