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B
Sister chromatids
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C
Cross-overs
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D
Parental chromosomes
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Solution
The correct option is A Homologous chromosomes Meiosis is also known as reductional division because the chromosomal number is reduced to half. Meiosis occurs in 2 stages meiosis 1 and meiosis 2. In meiosis 1 homologous chromosome pairs are separated resulting in the segregation of genes into the two gametes. There are 4 phases in meiosis I prophase 1, metaphase 1, anaphase1 and telophase 1.