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In meiosis, crossing over is initiated at
Options
(a) Pachytene
(b) Leptotene
(c) Zygotene
(d) Diplotene
Correct Answer:
Pachytene
Explanation:
Leptotene is Condensation of chromatin.Zygotene is Synapsis of homologous chromosomes.Pachytene is Crossing over.Diplotene is Dissolution of synaptonemal complex and appearance of chiasmata and Diakinesis is Terminalisation of chiasmata.
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Topics: Cell Structure and Functions
(413)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Broad spectrum antibiotics are the ones which attack
- Which of the following is a recessive trait in garden pea?
- In high yielding hybrid crop varieties, to exploit hybrid vigour, the farmers need
- ABO blood groups in humans are controlled by the gene I
- In humans, blood passes from the post caval to the diastolic right atrium of heart due to
Topics: Cell Structure and Functions (413)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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