Malformation Syndromes: It is important to establish aetiology, where possible, for practical reasons of genetic counselling, but some of these disorders are proving to be of great importance in basic research, particularly where specific genes are involved. As the techniques of molecular genetics are applied to dysmorphology, many more syndromes will prove useful as models […]
June 2024
What is Copy Number Variation?
COPY NUMBER VARIANTS The ability to detect chromosomal deletions and duplications through the microscope has been limited: only the larger deletions or duplications have been detected. Several approaches have been developed to improve our recognition of such copy number variants (CNVs). Three approaches are mentioned here: Fluorescence in situ hybridisation (FISH) This uses fluorescent-labelled DNA […]
What is a Chromosome?
Chromosome: All 23 pairs of human chromosomes can be distinguished microscopically from each other, and much fine detail within each chromosome can also be recognised. An agreed international system of nomenclature, reviewed at regular intervals, forms the basis of reports from laboratories. Although these reports will usually include an explanatory text or be accompanied by […]
What is Autosomal Recessive Inheritance
Autosomal Recessive Inheritance: The principal difficulty with autosomal recessive inheritance is to be sure that this is indeed the mode of inheritance in a particular family. The great majority of cases of an autosomal recessive disorder are born to healthy but heterozygous parents, with no other affected relatives. Vertical transmission, so characteristic of dominant inheritance, […]
What is Autosomal Dominant Inheritance?
Autosomal Dominant Inheritance: Although, in theory, autosomal dominant inheritance is the simplest model for genetic counselling, in practice it provides some of the most difficult problems, with traps for the unwary that require special mention. An autosomal dominant disorder or trait can be defined either by the observed pattern of transmission between generations in families […]
What is STD Panel
What does the STD Panel Cover? STD Panel covers 5 Parameters namely: HIV HBV HCV Syphilis What is the cost of the STD Panel? STD Panel costs 1000 Rs How common are STDs? Every year, around 20 million new STD infections occur. About half of them happen to people ages 15 to 24. Gonorrhoea, chlamydia […]
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What is DNA Paternity Test is it easy to get done
What is DNA Paternity Test? Is it easy to get done? You must have heard about DNA tests in your daily dose of Indian Television whether it’s from cinema or from TV serials, where the hero has affair with someone and the heroine find its out whether the child is the result of the affair […]