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Distal trisomy 10 is a rare chromosomal disorder that causes several physical defects and intellectual disability. Humans, like all sexually reproducing species, have somatic cells that are in diploid [2N] state, meaning that N represent the number of chromosomes, and 2 the number of their copies.
Distal 18q-is a genetic condition caused by a deletion of genetic material within one of the two copies of chromosome 18. The deletion involves the distal section of 18q and typically extends to the tip of the long arm of chromosome 18.
DiGeorge syndrome, also known as 22q11.2 deletion syndrome, is a syndrome caused by a microdeletion on the long arm of chromosome 22. [7] While the symptoms can vary, they often include congenital heart problems, specific facial features, frequent infections, developmental disability, intellectual disability and cleft palate. [7]
Chromosome 5q deletion syndrome is an acquired, hematological disorder characterized by loss of part of the long arm ( q arm, band 5q33.1) of human chromosome 5 in bone marrow myelocyte cells. This chromosome abnormality is most commonly associated with the myelodysplastic syndrome .
Microdeletion syndrome. A microdeletion syndrome is a syndrome caused by a chromosomal deletion smaller than 5 million base pairs (5 Mb) spanning several genes that is too small to be detected by conventional cytogenetic methods or high resolution karyotyping (2–5 Mb). [1] [2] Detection is done by fluorescence in situ hybridization (FISH).
Common variations in the BCL9 gene, which is in the distal area, confer risk of schizophrenia and may also be associated with bipolar disorder and major depressive disorder. [4] Research is done on 10-12 genes on 1q21.1 that produce DUF1220 -locations.
Miller–Dieker syndrome, Miller–Dieker lissencephaly syndrome (MDLS), and chromosome 17p13.3 deletion syndrome [1] is a micro deletion syndrome characterized by congenital malformations. Congenital malformations are physical defects detectable in an infant at birth which can involve many different parts of the body including the brain ...
These individuals may have more severe disease than those with isolated monosomy of 5p. A recent study suggests this may not be the case where a trisomy of chromosome 4q is involved. Most cases involve total loss of the most distal 10–20% of the material on the short arm.
Y chromosome microdeletion (YCM) is a family of genetic disorders caused by missing genes in the Y chromosome. Many men with YCM exhibit no symptoms and lead normal lives. It is present in a significant number of men with reduced fertility. [1] Reduced sperm production varies from oligozoospermia, significant lack of sperm, or azoospermia ...
Distal 10q deletion syndrome Dolichocephaly Microcephaly Distal monosomy 7p Distal trisomy 1p36 Metopic Microcephaly Distal trisomy 5q Microcephaly Distal symphalangism
