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During meiosis I, the chromosomes start pairing at
Options
(a) Leptotene
(b) Zygotene
(c) Pachytene
(d) Diplotene
Correct Answer:
Zygotene
Explanation:
During zygotene, a substage of Prophase I of meiosis I, chromosomes start pairing together called synapsis. Such paired chromosomes are called as homologous chromosomes. A complex structure i.e., synaptonemal complex is formed by a pair of synapsed homologous chromosomes called a bivalent or a tetrad.
Related Questions: - The different forms of interbreeding species that live in different geographies
- In a pyramid of numbers, representing an ecosystem of a large fresh water pond
- Deficiency of which of the following causes anaemia?
- Erythropoiesis starts in :
- Mosses and ferns are found in moist and shady places because both
Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Cell Structure and Functions
(413)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The different forms of interbreeding species that live in different geographies
- In a pyramid of numbers, representing an ecosystem of a large fresh water pond
- Deficiency of which of the following causes anaemia?
- Erythropoiesis starts in :
- Mosses and ferns are found in moist and shady places because both
Question Type: Memory (964)
Difficulty Level: Easy (1008)
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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