Chromosome Disorder
Trisomy means having three copies of a chromosomes. Turner's syndrome is NOT an example of trisomy. Someone with Turner's syndrome has only one X chromosome. Down's syndrome IS an example of trisomy. Someone with Down's syndrome has 3 copies of chromosome 21. Klinefelter's syndrome is a tricky one. On one hand, it would be considered trisomy because they have 3 sex chromosomes. However, they are not all the SAME sex chromosomes. Someone with Klinefelter's has 2 X chromosomes and one Y chromosome.
Well one example is people with Down Syndrome.
down syndrome
Disorders, such as Down's Syndrome, are caused by nondisjunction.
Down syndrome is generally the preferred spelling, although Down's syndrome is sometimes used in American sources.
Most cases of down syndrome are not inherited. Translocation Down syndrome can be inherited.
Down syndrome IS the diagnosis.
Down Syndrome Is In Your Brain.
Down's Syndrome is an example of a birth defect characterized by an abnormality of the chromosome structure.
how is down syndrome preventable?
No, Down Syndrome is permanent.
Down syndromeBoth spellings are correct and acceptable. And "syndrome" is sometimes uppercase and sometimes lowercase. On Answers.com, we choose the spelling "Down syndrome."