User:ReeseLanger/sandbox
Introduction
[edit]- This is my sandbox page. I'm using this to get practice with Wiki as well as to prepare for writing an article. It will allow me to work out ideas!!!
5 Pillars of Wikipedia
[edit]Pillar 1
[edit]- 1 Wikipedia is an online encyclopedia
Pillar 2
[edit]- 2 Wikipedia has a neutral point of view[1]
Pillar 3
[edit]- 3 Wikipedia is free
Pillar 4
[edit]- 4 Respect others
Pillar 5
[edit]- 5 There isn't a handbook of set rules[2]
Trisomy 21
[edit]Trisomy twenty one better known as down syndrome is a condition that results from the presence of an extra copy or part of a copy of chromosome twenty one. Its the result of an error during cell division called non-disjunction. The risk of a baby being born with down syndrome increases with the mothers age, although what causes this correlation is still in question.[3] Ninety percent of chromosome tweenty one trisomy was maternal, compared to only four percent being paternal. [4] It is believed that telomere length attrition may be associated with the occurance of non-disjunction of chromosome twenty one during the stages of meiosis I and meiosis II. [3]
References
[edit]- ^ https://wiki.riteme.site/wiki/Wikipedia:Neutral_point_of_view
- ^ https://wiki.riteme.site/wiki/Wikipedia:Ignore_all_rules
- ^ a b ["Telomere length is associated with types of chromosome 21 nondisjunction: a new insight into the maternal age effect on Down syndrome birth". April 12, 2010. PMID 20063167.
{{cite journal}}: Cite journal requires|journal=(help) - ^ "Trisomy 21: Fifty Years Between Medicine and Science". PMID 20345276.
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