No. Despite what you might have heard, cigar smoking isn't safer than cigarette smoking â even if you don't intentionally inhale the smoke. Like cigarette smoking, cigar smoking poses serious health risks, including: 1  Cancer. 2  All tobacco smoke contains chemicals that can cause cancer, and cigar smoke is no exception.
Autosomal recessive: cystic fibrosis (CF), sickle cell anemia (SC), Tay Sachs disease. Genes are inherited from our biological parents in specific ways. One of the basic patterns of inheritance of our genes is called autosomal recessive inheritance.
Cystic fibrosis is an inherited disease. For someone to get cystic fibrosis, both parents must be carriers of the gene that causes it and then pass it on. That means 25% of the children of such parents will have cystic fibrosis.Boys and girls are equally likely to get the disease.About 10 million Americans carry the gene and do not know it.ystic fibrosis is a genetic disease, meaning it is caused by a person's genes. It affects the glands that produce mucus and sweat, causing mucus to become thick and sticky. As the mucus builds up, it can block airways in the lungs. This makes it increasingly difficult to breathe.