The phenomenon known as crossing-over occurs during:
Correct answer: B. Meiosis
- A. Mitosis
- B. Meiosis
- C. Geographic distribution
- D. Active transport
Explanation
Crossing over is the exchange of genetic material between non-sister chromatids of homologous chromosomes during meiosis, which results in new allelic combinations in the daughter cells.
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About Chromosomes
Chromosomes are DNA-protein structures that carry genes and become visible during cell division. Coverage includes chromatin, centromeres, sister chromatids, homologous chromosomes, chromosome number, and the distinction between diploid and haploid cells, with links to DNA replication, mitosis and meiosis.
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