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Question

Bead like structure found on chromosome are called as

A
Chromomeres
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B
Chromonemata
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C
Chromonema
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D
Centriole
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Solution

The correct option is B Chromomeres
A chromomere is one of the serially aligned beads or granules of a eukaryotic chromosome, resulting from local coiling of a continuous DNA thread. It is visible on a chromosome during the prophase of meiosis and mitosis. The chromomeres are present during leptotene phase of prophase I during meiosis. During zygotene phase of prophase I, the chromomeres of homologs align with each other to form a homologous rough pairing. These chromomeres help provide a unique identity for each homologous pairs.
So, the correct answer is option A.

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