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The complex formed by a pair of synapsed homologous chromosomes is called
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a
bivalent
b
axoneme
c
equatorial plate
d
kinetochore
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Correct option is A
During zygotene stage chromosomes start pairing together and this process of association is called synapsis. Such paired chromosomes are called homologous chromosomes. Electron micrographs of this stage indicate that chromosome synapsis is accompanied by the formation of complex structure called synaptonemal complex. The complex formed by a pair of synapsed homologous chromosomes is called a bivalent or a tetrad.
Similar Questions
Match List I with List II.
| List I | List II | ||
| A | Prophase I | I | Haploid daughter nuclei formation |
| B | Metaphase I | II | Separation of homologous chromosomes of bivalents |
| C | Anaphase I | III | Exchange of genetic material between homologous non-sister chromatids |
| D | Telophase I | IV | Alignment of bivalents at the equatorial region of cell |
Choose the correct answer from the options given below
| A | B | C | D | |
| 1 | II | IV | I | III |
| 2 | IV | III | II | I |
| 3 | IV | II | I | III |
| 4 | III | IV | II | I |
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