The U.S. infant mortality rate generally declined throughout the 20th century, from 100 infant deaths per 1,000 live births in 1900 to 6.89 infant deaths per 1,000 live births in 2000.
hemoglobinopathies are genetic inherited disorders of hemoglobin the oxygen carrying protein of the red blood cells the hemoglobin molecule is composed of four separate polypeptide chains of amino acids two alpha chains and two beta chains as well as four iron bearing heme groups that bind oxygenemoglobinopathies are genetic inherited disorders of hemoglobin the oxygen carrying protein of the red blood cells the hemoglobin molecule is composed of four separate polypeptide chains of amino acids two alpha chains and two beta chains as well as four iron bearing heme groups that bind oxygen
Sex-linked disorders. Genetic diseases or conditions caused by a mutation on the sex chromosomes. Patterns of inheritance tend to be gender-specific. Single gene disorders. Genetic diseases or conditions caused by a mutation in a single gene or DNA sequence. Also known as Mendelian, Classical and Monogenic disorders.They are usually passed from one generation to the next. Somatic cells. Non-sex cells (not ova or sperm).Somatic or sporadic mutation.he predicted course and outcome of a disease. Recessive disorders. Genetic disease or condition caused by a mutation on both genes in a pair (homozygous). The disease or condition only arises when both parents pass on a copy of the faulty gene.