(Encyclopedia) cystic fibrosiscystic fibrosissĭsˈtĭk fībrōˈsĭs [key], inherited disorder of the exocrine glands (see gland), affecting children and young people; median survival is 25 years in…
The cloning craze began in 1996, when scientists in Scotland astonished the world by announcing that they had successfully cloned an adult sheep. They called her Dolly. A clone is a copy of…
Vaccination & Natural ResistanceHIV/AIDSIntroductionThe Birth of a DiseaseFrom Epidemic to PandemicWhere Did HIV Come From?Diagnosis & Anti-HIV TherapyVaccination & Natural…
(Encyclopedia) Mendel, Gregor JohannMendel, Gregor Johanngrāˈgôr yōˈhän mĕnˈdəl [key], 1822–84, Austrian monk noted for his experimental work on heredity. He entered the Augustinian monastery in Brno…
(Encyclopedia) sickle cell disease or sickle cell anemia, inherited disorder of the blood in which the oxygen-carrying hemoglobin pigment in erythrocytes (red blood cells) is abnormal. This “…
Natural Selection and EvolutionHistorical Development and Mechanisms of Evolution and Natural SelectionIntroductionEarly Theories of EvolutionNatural Selection and EvolutionNatural-Selection…
