Which disease is characterized by the development of a membrane on the tonsils, pharynx, or larynx, leading to respiratory obstruction?

The answer is diphtheria. The symptoms of diphtheria usually track an incubation period of two to five days. Symptoms primarily are general and nonspecific frequently approaching a typical viral upper respiratory infection. Respiratory taking part usually starts with the sore throat and minor pharyngeal inflammation. The progress of the confined to a small area or coalescing pseudo membrane be able to happen in any part of the respiratory tract. The pseudo membrane is regarded as by the development of a dense, gray debris layer composed of a combination of dead cells, fibrin, red blood cells, white blood cells, and some organisms.

Homologous chromosomes with heterozygous alleles d) heterozygous chromosomes with homozygous alleles

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