Answer:
Because they are not working together
Explanation:your welcome
Bellow I attached the punnet square you need. From it you can see, that the likelihood of producing an offspring with attached earlobes is 25% (ff)
Answer:
Hepatitis A infection can be prevented by getting vaccine or immune globulin soon after coming into contact with the virus. Persons who have recently been exposed to HAV should get immune globulin or vaccine as soon as possible, but not more than 2 weeks after the last exposure.
Explanation:
You can take steps to reduce the risk of passing hepatitis A to others.
Avoid sexual activity. Avoid all sexual activity if you have hepatitis A.
Wash your hands thoroughly after using the toilet and changing diapers.
Don't prepare food for others while you're actively infected.