Whether eye dilation during an exam is necessary depends on the reason for your exam, your age, your overall health and your risk of eye diseases. The eyedrops used for dilation cause your pupils to widen, allowing in more light and giving your doctor a better view of the back of your eye. Eye dilation assists your doctor in diagnosing common diseases and conditions, possibly at their earliest stages. They include:
In meiosis, DNA replication is followed by two rounds of cell division to produce four daughter cells each with half the number of chromosomes as the original parent cell.
Sexual â meiosis - produces the sex cells and each cell has half the number of ; The chromosomes. Chromosomes are made of one long strand of DNA that is wound around bits of protein and all coiled up. What is the function of the nucleus? It plays a central role in cell reproduction, mitosis and meiosis. The DNA of the chromosomes carries hereditary information that is passed on intact to new cells. The DNA carries information for putting together proteins by ribosomes in the cytoplasm of the cell.