It definitely affects someone's likely hood to gain weight the lower it is you gain a lot more weight than some who has a higher metabolism.
Answer: They are highly communicable (spread from person to person)
Explanation: Not all STDs are curable most can get meds that make the symptoms not as but they will not cure the person. They do not always have symptoms some do not know they have it till testing has been done. They cannot spread through casual contact, sexual intercourse, oral, or kissing needs to happen. they are highly communicable because they can be passed from person to person through their methods of being passed.
There will be a slim chance of the brother be affected because the trait would turn out to be recessive which means the person genes would be carried out without appearing in that person
Hello
the answer would be c have a nice day :)