Question

Write a brief note on synaptonemal complex and metaphyseal plate

Answer 1

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Answer 2

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❤. SYNAPTONEMAL COMPLEX ❤

⭐. During zygotene stage chromosomes start pairing together and this process of association is called synopsis.

⭐. Such paired chromosomes are called homologous chromosomes.

⭐. Chromosome synapsis is accompained by the formation of complex structure called synaptonemal complex.

⭐. The complex formed by a pair of homologous chromosomes is called bivalent or tetrad of chromatids.

❤. METAPAHSE PLATE ❤

⭐. Metaphase is characterised by two important changes.

⭐. Formation of bipolar spindle fibres and attach the same to the kinetochores of chromosomes.

⭐. Orientation of chromosomes on the equatorial region and forming a equatorial plate or metaphoric plate.