Chromosomal abnormalities

Chromosomal Syndromes . Follow @guru_medical for more! . #genetics

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A chromosome disorder results from a change in the number or structure of chromosomes.

Chromosome abnormalities can either be numerical or structural and usually occur when there is an error in cell division.

The term Trisomy 18 has gotten significant media coverage in the last month as Rick Santorum’s daughter, who was born with the chromosomal disorder, was recently hospitalized. Santorum cites his family’s struggles with his daughter’s medical condition as a partial player in his decision to remove himself from the current

Chromosomes,

By following a healthy lifestyle, eating good quality foods and taking some preventive measure helps to prevent chromosomal abnormalities during pregnancy.

The word chromosome is derived from the Greek language: chroma (colour) and soma (body). Structure of the chromosome in relation to the phase of the cell cycle: Each metaphase chromosome is composed of 2 chromatids held together at the centromere. The chromosome is divided by a constriction, the centromere into 2 arms; short and long (p and q respectively).

Chromosomes , Biology, Biology student

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Many parents search through their recent life and wonder whether the various environmental exposures they have had contributed to having a baby with chromosome abnormality.

Chromosome mutations are often caused by errors that occur during the process of cell division or by mutagens.

Autosomal dominant

Cytogenetics is a branch of genetics, It is a part of cell biology/cytology (It is a subdivision of human anatomy), It is concerned with how the chromosomes relate to cell behaviour, particularly to their behaviour during mitosis and meiosis, Techniques used include karyotyping, analysis of G-banded chromosomes, other cytogenetic banding techniques, as well as molecular cytogenetics such as fluorescence in situ hybridization (FISH) and comparative genomic hybridization (CGH).

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