Question

(i) Thin thread like chromosomes with a beaded appearance (ii) Appearance of recombination nodules (iii) Formation of bivalents/tetrads (iv) Terminalisation of chiasmata (v) Appearance of chiasmata Arrange the given statements in the correct sequence of their occurrence during prophase $I$.

• A. $\left(i\right) \rightarrow \left(iii\right) \rightarrow \left(ii\right) \rightarrow \left(v\right)\rightarrow\left(iv\right)$
• B. $\left(i\right) \rightarrow \left(ii\right) \rightarrow \left(iii\right) \rightarrow \left(vi\right)\rightarrow\left(v\right)$
• C. $\left(i\right) \rightarrow \left(iv\right) \rightarrow \left(v\right) \rightarrow \left(ii\right)\rightarrow\left(iii\right)$
• D. $\left(i\right) \rightarrow \left(iii\right) \rightarrow \left(ii\right) \rightarrow \left(iv\right)\rightarrow\left(v\right)$

Answer 1

Answer: (A)

$\left(i\right) \rightarrow \left(iii\right) \rightarrow \left(ii\right) \rightarrow \left(v\right)\rightarrow\left(iv\right)$

Answer 2

Answer (a) $\left(i\right) \rightarrow \left(iii\right) \rightarrow \left(ii\right) \rightarrow \left(v\right)\rightarrow\left(iv\right)$