Tag Archives | Chromosomes

Klinefelter’s Syndrome: History, Origin and Symptoms | Genetics

In this article we will discuss about:- 1. History of Klinefelter's Syndrome 2. Origin of Klinefelter's Syndrome 3. Symptoms 4. Ascertainment and Phenotype 5. Cytogenetic Findings 6. Frequency. History of Klinefelter's Syndrome: 1. In 1942, Klinefelter, Refenstein and Albright found nine men with small testes, aspermia, elevated urinary gonadotrophins and gynecomastics. These persons were later designated as Klinefelter's syndromic. 2. [...]

By |2016-12-12T07:34:23+00:00December 12, 2016|Chromosomes|Comments Off on Klinefelter’s Syndrome: History, Origin and Symptoms | Genetics

Turner’s Syndrome: Introduction, Origin and Features | Genetics

In this article we will discuss about:- 1. Introduction to Turner's Syndrome 2. Origin 3. Indications for Suspecting Turner's Syndrome 4. Features 5. Chromosome Patterns 6. Ullrich's Syndrome 7. Pure Gonadal Dysgenesis  8. Incidence XYY-Males and Criminal Beha­viour. Introduction to Turner's Syndrome: Further clues to the nature of the sex- determining mechanism in human beings has come from studies of [...]

By |2016-12-12T07:34:23+00:00December 12, 2016|Chromosomes|Comments Off on Turner’s Syndrome: Introduction, Origin and Features | Genetics

Down’s Syndrome: Definition, Fea­tures and Causes | Genetics

In this article we will discuss about:- 1. Definition of Down's Syndrome 2. Physical and Physiological Fea­tures of Down's Syndrome 3. Chromosomal Findings  4. Incidence 5. Causes. Definition of Down's Syndrome: The first autosomal abnormality described in man by John Langdon Down (1966) was known as Down's syndrome, more commonly used as mongolism. In this case, there is simple trisomy [...]

By |2016-12-12T07:34:23+00:00December 12, 2016|Chromosomes|Comments Off on Down’s Syndrome: Definition, Fea­tures and Causes | Genetics
Go to Top