Question
Which genetic condition is characterized by an extra
copy of chromosome 21?Solution
Down syndrome is caused by an abnormality during cell division, resulting in an extra partial or full chromosome 21. This extra genetic material affects physical development and intellectual abilities, making it a distinct genetic condition identifiable by specific facial and physical traits.
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How much money did he invest at 5% p.a.?
...
If the ratio of the sum invested and simple interest received after 1 year is 25:16 respectively, then find the rate of interest.
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