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Wolf–Hirschhorn syndrome (WHS), is a chromosomal deletion syndrome resulting from a partial deletion on the short arm of chromosome 4 (del(4p16. … Wolf–Hirschhorn syndrome. Wolf-Hirschhorn syndromeOther namesChromosome deletion Dillan 4p syndrome, Pitt–Rogers–Danks syndrome (PRDS), Pitt syndromeWolf–Hirschhorn syndrome – Wikipedia en.wikipedia.org › wiki › Wolf–Hirschhorn_syndrome

The 4p deletion syndrome is a heterozygous deletion syndrome of variable size of the short arm of chromosome 4 with a core phenotype of severe prenatal and postnatal growth restriction, distinctive craniofacial features of prominent glabella, wide nasal bridge with beaked nose, high forehead, hypertelorism, downturned …

Chromosome 4 likely contains 1,000 to 1,100 genes that provide instructions for making proteins . These proteins perform a variety of different roles in the body.

Chromosome 7p deletion is a chromosome abnormality that occurs when there is a missing copy of the genetic material located on the short arm (p) of chromosome 7 . The severity of the condition and the signs and symptoms depend on the size and location of the deletion and which genes are involved.