It could be called "Sympathy morning sickness". The pregnancy can be a stressful time for the father-to-be. Stress can manifest in many ways, nausea is one. On the other hand, nausea can also be a symptom of other disease, and the timing is co-incidence.
No The father doesn't get "morning sickness", as there are no hormone changes to his body.
Purely a support role ... at best.
Nothing.
No, once the egg is fertilized with a sperm and his DNA it can not be changed. The uterus closed and nothing can in in if you are referring to sex during pregnancy.
The possibilities are endless.
Especially if the father is living with the pregnant mother, then he could experience some 'sympathy' symptoms like gaining weight from excessive eating, nausea, back pain, etc. It's been known to happen. Though there is nothing like the real thing.
uneducated female, why would you so such a thing?
No.
If I'm understanding you correctly ... none at all.
He died of malaria.
Yes, but this is not the main cause for all cases. Others can be genetic or birth defects during pregnancy.
"Father drank coffee every morning" is past tense.