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In which year, Down’s syndrome was described?

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in Biology – Class 12 by (271k points)
In which year, Down’s syndrome was described?

(a) 1866

(b) 1986

(c) 1898

(d) 1968

I have been asked this question in an interview for job.

I would like to ask this question from Inheritance and Variation Principles in chapter Principles of Inheritance and Variation of Biology – Class 12

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The correct option is (a) 1866

The best explanation: In 1866, Down’s syndrome was first described by Langdon Down. This disorder is a result of the trisomy of chromosome number 21. Short stature, small round head, etc. are some of the effects of this disorder.

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