Search results
Results from the WOW.Com Content Network
Trisomy 21. Down syndrome (also known by the karyotype 47,XX,+21 for females and 47,XY,+21 for males) [98] is mostly caused by a failure of the 21st chromosome to separate during egg or sperm development, known as nondisjunction. [91] As a result, a sperm or egg cell is produced with an extra copy of chromosome 21; this cell thus has 24 ...
This is a list of people with Down syndrome, a condition also known as Down's syndrome or trisomy 21. Down syndrome is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. [1] It is typically associated with developmental delays, characteristic physical features, and mild to moderate intellectual disability ...
The Stanford marshmallow experiment was a study on delayed gratification in 1970 led by psychologist Walter Mischel, a professor at Stanford University. [1] In this study, a child was offered a choice between one small but immediate reward, or two small rewards if they waited for a period of time.
By Bo Erickson and Moira Warburton. WASHINGTON (Reuters) - Republican U.S. Representative Clay Higgins faced a call for censure on Wednesday for a repeating false claims about Haitian immigrants ...
Another top aide to New York City Mayor Eric Adams became ensnared Friday in the corruption investigations plaguing the administration. Ingrid Lewis-Martin, chief adviser to the mayor, had her ...
Williams syndrome (WS), also Williams–Beuren syndrome (WBS), is a genetic disorder that affects many parts of the body. [2] Facial features frequently include a broad forehead, underdeveloped chin, short nose, and full cheeks. [2] Mild to moderate intellectual disability is observed in people with WS, with particular challenges with visual ...
Former Kreditbanken building in Stockholm, Sweden, the location of the 1973 Norrmalmstorg robbery (photographed in 2005) Stockholm syndrome is a proposed condition or theory that tries to explain why hostages sometimes develop a psychological bond with their captors. [ 1 ][ 2 ] Stockholm syndrome is a "contested illness" due to doubts about the ...
World Down Syndrome Day (WDSD) is marked each year on March 21, [1] beginning in 2007. The 21st day of March (the 3rd month of the year) was selected to signify the uniqueness of the triplication (trisomy) of the 21st chromosome which causes Down syndrome. The General Assembly of the United Nations has decided to observe it each year since 2012.