(5) Sexual reproduction and variation in species
- Created by: Tanya Phillips
- Created on: 18-04-13 06:23
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Explain how sexual reproduction promotes variation in a species
There are two processes in meiosis that can cause variation:
- independent assortment
- crossing over
Independent Assortment
- occurs during metaphase 1
- homologous chromosomes move to the equator of the cell and line up.
- They arrange themselves on the equator and result in the formation of different gametes.
This creates 2 n new combinations of chromosomes in the next generation n =…
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