Independent orientation of chromosomes during metaphase I result in an increase in the number of POSSIBLE COMBINATIONS of characteristics.
Meiosis is a cell division that produces gamete (germinal) cells for sexual reproduction.
Meiosis increases genetic diversity and ultimately also the likelihood of obtaining new combinations of phenotypic traits in the resulting germinal cells.
The mechanisms by which meiosis increase genetic diversity include:
- Independent assortment and segregation of different pairs of homologous chromosomes during Meiosis I (metaphase I), which produces new combinations of alleles in germinal cells.
- Recombination or crossing over. Genetic recombination is the interchange of genetic material (DNA) between non-sister chromatids during prophase I.
In conclusion, the independent orientation of chromosomes during metaphase I result in an increase in the number of POSSIBLE COMBINATIONS of characteristics.
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