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Which of the following scientists discovered the Y-chromosome.(a) Stevens(b) Ernst Haeckel(c) Francis Crick(d) WilsonThe question was posed to me in examination.This question is from Inheritance and Variation Principles in division Principles of Inheritance and Variation of Biology – Class 12

Answer»

The correct option is (a) STEVENS

Explanation: Stevens was the scientist who first discovered Y-chromosome. Many scientists concluded that the ‘X body’ which was discovered by HENKING was a chromosome. Therefore, in 1905, X and Y chromosomes were named as SEX chromosomes by Stevens and WILSON.



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