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The following is a partial list of genes on human chromosome 1. For complete list, see the link in the infobox on the right. C1orf112: encoding protein Chromosome 1 open reading frame 112; C1orf127: encoding protein Chromosome 1 open reading frame 127; C1orf27: encoding protein Chromosome 1 open reading frame 27
Partial derivatives are key to target-aware image resizing algorithms. Widely known as seam carving, these algorithms require each pixel in an image to be assigned a numerical 'energy' to describe their dissimilarity against orthogonal adjacent pixels. The algorithm then progressively removes rows or columns with the lowest energy.
Deletion of part of the short arm of chromosome 5 results in Cri du chat syndrome. [1] Deletions in the SMN-encoding gene cause spinal muscular atrophy, the most common genetic cause of infant death. Microdeletions are associated with many different conditions, including Angelman Syndrome, Prader-Willi Syndrome, and DiGeorge Syndrome. [10]
Noninvasive prenatal testing (NIPT) is a method used to determine the risk for the fetus being born with certain chromosomal abnormalities, such as trisomy 21, trisomy 18 and trisomy 13. [ 1 ] [ 2 ] [ 3 ] This testing analyzes small DNA fragments that circulate in the blood of a pregnant woman. [ 4 ]
Isodicentric 15, also called marker chromosome 15 syndrome, [2] idic(15), partial tetrasomy 15q, or inverted duplication 15 (inv dup 15), is a chromosome abnormality in which a child is born with extra genetic material from chromosome 15. People with idic(15) are typically born with 47 chromosomes in their body cells, instead of the normal 46.
The trisomy 21 karyotype figure shows the chromosomal arrangement, with the prominent extra chromosome 21. Trisomy 21 is the cause of approximately 95% of observed Down syndrome, with 88% coming from nondisjunction in the maternal gamete and 8% coming from nondisjunction in the paternal gamete. [4]
Smith–Magenis syndrome (SMS), also known as 17p- syndrome, is a microdeletion syndrome characterized by an abnormality in the short (p) arm of chromosome 17. [1] It has features including intellectual disability, facial abnormalities, difficulty sleeping, and numerous behavioral problems such as self-harm.
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