Answer:
If you don't put a tittle I can't help you
Explanation:
The answer is
D) Pp, PP, and pp.
i attached a picture of a punnett square i did to help you understand the answer more, if you want.
There are so many examples for that in different areas, like TPBi experiment carried out in our lab recently.Here's one link: http://www.alfa-chemistry.com/tpbi-cas-192198-85-9-item-282866.htm
The child is more susceptible to diseases than the father because the father has already gained a slight immunity towards the lead by loving in the house longer than the child (assuming the father has lived in the house longer)