Cytogenetics Archive

History of Cancer Cytogenetics

The Discovery of Philadephia Chromosome   It is known that human cytogenetics was started in 1955, with the discovery of normal human cells contain 46 chromosomes by Tjio and Levan that normal human cells contain 46 chromosomes.

Cri du Chat Syndrome – Human with Cat-like Cry

Cri du chat syndrome is a kind of genetic disorder that occurs when a small part of chromosomal material is missing from a particular region on chromosome 5.

Prader-Willi Syndrome – Genetic Disorder That Cause Obesity

Prader-Willi syndrome or PWS syndrome is thought to be one of the most common genetic disorders. It is the most common genetic cause of marked obesity in humans.

Autosomal Aneuploidy – Cytogenetic Abnormalities

Aneuploidy refers to cytogenetic abnormalities that does not involve the sex chromosomes in which all or part of one or more chromosomes is added or deleted.

Cytogenetic Studies in Malignancy Cancer

Cytogenetic studies are proven that can assist to define the diagnosis and deliver clear prognostic differences in cancer.

5 Hypotheses Causing Down Syndrome

Down Syndrome is caused by the non-disjunction of the chromosome during the meiosis. However, little is known about the causes for non-disjunction to occur as well as Down Syndrome in term of Cytogenetics. There are many hypotheses

Down Syndrome | Birth Defect with Trisomy 21

Down syndrome is a common genetic chromosomal syndrome in the world. It is about 1 in 800 liveborns in the population with Down syndrome.

XXX Syndrome (Superwoman) | Birth Defect In Cytogenetics

In Cytogenetics, XXX Syndrome is a syndrome where patient possesses one extra X chromosome. It is a Cytogenetics abnormality.