Chronic pulmonary infections are treatable, especially when diagnosed early. Specific infections that are common in central Ohio include: Histoplasmosis: a fungus that lives in the soil and is associated with bird droppings. Histoplasmosis can not be passed person to person. It can cause either an acute or chronic pneumonia. It is treatable and is often diagnosed by a blood or urine test.
Genes. A gene is a length of DNA that codes for a specific protein. So, for example, one gene will code for the protein insulin, which is important role in helping your body to control the amount of sugar in your blood. Genes are the basic unit of genetics. Human beings have 20,000 to 25,000 genes. These genes account for only about 3 per cent of our DNA.
How many chromosomes do humans have? Humans have 23 pairs of chromosomes, for a total of 46 chromosomes. In fact, each species of plants and animals has a set number of chromosomes. A fruit fly, for example, has four pairs of chromosomes, while a rice plant has 12 and a dog, 39. Top of page.