Answer:
a child inherits 50% of the each parents genes.
Step-by-step explanation:
the percentage goes all the way back to grand parents and great grand parents because your parents also inherited 50 percent of each of their parents. and their parents i herit from ther parents and so on. therefore when u inherit your genes and triats you also inherit some of your grandparents genes. that why some traits might be in the person's mother or father but not in the child because genes are divided into two with each generation.