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changes in chrom. #

Down syndrome and Turners

QuestionAnswer
Down Syndrome 1 Down Syndrome;; Polyploidy; Changes in Chromosome Number;; Trisomy Chromosome 21;; 1 out of every 750 births or 2% of the world
Down Syndrome 2 abnormally small chin; round face; mental retardation; almond shaped eyes; a single instead of a double crease across the palms; large space between the big and second toes;; some go through corrective surgery after birth;; poor life quality
Turner Syndrome 1 Turner Syndrome;; changes in chromosome number; chromosomal abnormality where all or part of one of the sex chromosomes is absent;; monosomy X;; 2.9% of the population
Turner Syndrome 2 Short stature; Broad chest; widely spaced nipples; Low set ears; Low hairline; Sterility; Shield shaped thorax of heart; Webbed neck; Poor breast development; Characteristic Facial Features;; some get growth hormone treatments; some fertility treatments
Turner Syndrome 3 Estrogen replacement therapy;; reduced life expectancy up to 13 years;; average quality of life
Cri du chat Syndrome 1 Cri du chat Syndrome;; Changes in Chromosome Structure;; chromosome 5 deletion;; 1 in 20,000 to 50,000 people
Cri du chat Syndrome 2 cry similar to that of a meowing kitten caused by problems with the larynx and nervous system; low birth weight and poor growth; behavioral problems; unusual facial features;; No specific treatment available;; relatively normal life quality and lifespan
Created by: sfife5
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