NEET · Biology · STD 11 - 10. Cell cycle and cell division
During meiosis \(I\), the chromosomes start pairing at
- A zygotene
- B pachytene
- C diplotene
- D leptotene
Answer & Solution
Correct Answer
(A) zygotene
Step-by-step Solution
Detailed explanation
(a) : During zygotene or zygonema of meiotic prophase \(I\) the chromosomes become shorter and thicker. The homologous chromosomes come to lie side by side in pairs. This pairing of homologous chromosomes is known as synapsis, or syndesis. A pair of homologous chromosomes lying together is called a bivalent.
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