Short stature. Features that often occur in people with chromosome 10q deletion include developmental delay, intellectual disability, behavioral problems, and distinctive facial features. Chromosome 10p duplication/10q deletion syndrome: A rare chromosomal disorder where a section of the short arm (p) of chromosome 10 is duplicated and a section of the long arm (q) of chromosome 10 is … 10q deletions: breakpoints in 10q25 or 10q26 A 10q25 or 10q26 deletion means that the cells of the body have a small but variable amount of genetic material missing from one of their 46 chromosomes – chromosome 10. Some of the symptoms of Chromosome 10q deletion syndrome incude: Developmental delay. Skeletal problems include a spine that curves to the side (scoliosis), limited movement in the elbows or other joints, or curved fifth fingers and toes (clinodactyly). Dolichocephaly. Slow growth before and after birth can also occur in affected individuals. Mental retardation. Chromosome 10q Deletion Syndrome is a chromosome abnormality that occurs when there is a missing copy of the genetic material located on the long arm (q) of chromosome 10 The severity of the condition and the signs and symptoms depend on the size and location of the deletion … The severity of the condition and the signs and symptoms depend on the size and location of the deletion and which genes are involved. Chromosome 10p duplication/10q deletion syndrome: Introduction. Less common signs and symptoms can occur in 10q26 deletion syndrome. For healthy development, chromosomes should contain just the right amount of genetic material (DNA) – not too Small head.