Question

X-chromosome or X-body was first observed by.

• A. Mendel $\left(1901\right)$
• B. Castle $\left(1910\right)$
• C. Henking $\left(1891\right)$
• D. Bateson $\left(1906\right)$

Answer 1

Answer: (C)

Henking $\left(1891\right)$

X-body was first noted that the X chromosome was special in 1890 by Hermann Henking in Leipzig. Henking was studying the testicles of Pyrrhocoris and noticed that one chromosome did not take part in meiosis.

So, the correct answer is 'Henking (1891)'.