Fill in the blanks
(i) The morphology of the chromosome is studied at ___ A ___
(ii) Recombination nodule appears at ____ B ___ stage of prophase – I
(iii) ____ C ____ induces polyploid by inhibiting polymerization of spindles.
(iv) True reduction in number of chromosome occurs in ____ D ____ stage.
 

• A

  A – Anaphase, B - Pachytene

• B

  C – Mustard gas, D – Metaphase  I

• C

  A – Prophase, C - Colchicine

• D

  B – Pachytene, D – Anaphase - I