46 chromosomes are contained in the nucleus of each cell in the human body
Answer:
First choice, mutation!
Explanation:
Sickle cell anemia is caused by a mutation in the gene that tells your body to make the iron-rich compound that makes blood red and enables red blood cells to carry oxygen from your lungs throughout your body (hemoglobin).
Answer:
D
Explanation:
work requires you full attention and it can amount to late day as working hours are long and a certain amount of work is due
Answer:
There is no cure for HIV or AIDS but it can be treated so that patients can have a better quality of life. The treatment for HIV and AIDS is a combination of drugs, known as a cocktail. These drugs can help prevent HIV from turning into AIDS or they can ease the symptoms of the AIDS virus.
Explanation: