Step-by-Step Solution
(1)
Chromatid formation is a part of mitotic and meiotic cell divisions. In the S-phase, each chromosome in the nucleus is replicated and two identical copies of each chromosome forms. These identical chromosomes are attached with each other by a centromere. At this stage, the chromosomes are referred as chromatids.
Thus, the option (1) is incorrect.
(2)
Spindle formation is part of mitotic and meiotic cell divisions. Centrioles form the spindle fibers. They are composed of microtubules. During cell division it is used to pull the chromosomes apart. In plants, mitotic spindle is formed during S-phase.
Thus, the option (2) is incorrect.
(3)
Chromosome condensation is an event in both mitosis and meiosis. It is the shortening of chromosomes axis and contraction of radius. It results in diminished chromosome volume.
Thus, the option (3) is incorrect.
(4)
Chromosome movement to poles is also an event in both mitosis and meiosis. The spindle is responsible for chromosome movement and segregation during mitosis and meiosis.
Thus, the option (4) is incorrect.
(5)
Pairing of the two homologous chromosomes during meiosis is termed as synapsis. It is the process that occurs prior to the segregation of the homologous chromosomes during prophase I of meiosis. Tetrad is formed as a result of synapsis that aligns the chromatids of the homologous chromosomes, such that the areas coding for the same genes are adjacent to one another.
Thus, the correct 
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