Everything you need to know about microbial diseases. Some of the frequently asked questions are as follows:- Q.1. Name the microorganisms that form normal micro-biota of the skin. Ans. They are Gram-positive pleomorphic rods known as diphtheroids (e.g., Propionibacterium acnes) which produce propionic acid that helps to maintain low pH of the skin ranging from 3 to 5. The acidic [...]
In this article we will discuss about:- 1. Examples of Sex-Linked Genetic Diseases 2. General Rules of the Sex-Linked Genetics 3. Y-Linked Genes. Examples of Sex-Linked Genetic Diseases: i. X-Iinked Recessive Diseases: Hemophilia A and B, color blindness, Duchenne muscular dystrophy. ii. X-linked Dominant Diseases: Vitamin D resistant rickets with hypophosphatemia, some types of ectodermal anidrotic dysplasia, genetic defects of [...]
In this article we will discuss about the dominant and recessive types of autosome-linked genetic diseases. Type # 1. Autosome-Linked Dominant Genetic Diseases: Experimental genetics strictly defines the dominant mode of Inheritance of genetic diseases as the situation in which a single dose of gene is quite sufficient to allow the trait thus governed full expression (Table 11.1). The heterozygote [...]