Blood borne diseases shall be watched out for such as human immunodeficiency virus (HIV), hepatitis B, hepatitis C, as well as some viral hemorrhagic fevers. Hepatitis A is via fecal-oral route and is not contracted via contact with blood. Poliomyelitis is also via fecal-oral route. Other disease may be airborne, droplet, or vector-borne.
Homologous chromosomes are paired early in the cell reproduction process. and one pair of sex chromosomes The autosomes carry the genes that determine most body characteristics
