NTA Abhyas NEET2020BotanyCell Cycle and Cell DivisionPractice
Match the columns. Column-I Column-II (a) Leptotene (i) Chiasmata (b) Zygotene (ii) Chromosomes visible (c) Pachytene (iii) The pairing of homologous chromosome (d) Diplotene (iv) Clear appearance of tetrads
Options
- Aa -(i), b -(ii), c -(iv), d -(iii)
- Ba -(ii), b -(iii), c -(iv), d -(i)
- Ca -(ii), b -(iii), c -(i), d -(iv)
- Da -(iv), b -(iii), c -(ii), d -(i)
Correct answer
B. a -(ii), b -(iii), c -(iv), d -(i)
Step-by-step solution
In leptotene, condensation of chromosomes starts to form chromosomes; then in zygotene, homologous chromosomes come together to for pair known as synapsis. Crossing over or recombination occurs in pachytene and chiasmata becomes visible in diplotene.