Some characteristics of downs syndrome include: Poor muscle tone Slanting eyes with folds of skin at the inner corners (called epicanthal folds) Hyperflexibility (excessive ability to extend the joints) Short, broad hands with a single crease across the palm on one or both hands Broad feet with short toes Flat bridge of the nose Short, low-set ears Short neck Small head Small oral cavity Short, high-pitched cries in infancy Sufferers of Downs Syndrome are ussually smaller than their normal peers and their physical and intellectual development is ussually slower. Downs Sydrome is caused by non disjunction of the 21st chromosome (humans have 23 pairs of chromosomes - each parent supplies 23 chromosomes to the child getting a total of 46) which means chromosome 21 in the mother has not split like it should when making sex cells ( gametes) and the child ends up with 3 copies of chromosome 21 compared to the usual 2. adjective us / da.ni / uk / da. soft - yielding readily to pressure or weight. Having the character or structure of down resembling down: as, downy plumage. Refering to someone with Downs Syndrome - so really should be 'downsie' It is a genetic condition that is increasingly common the older the mother of a child is when she falls pregnant. Refering to someone with Downs Syndrome - so really should be " downsie" It is a genetic condition that is increasingly common the older the mother of a child is when she falls pregnant.
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