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DISCUSS THE ADVANTAGES AND DISADVANTAGES OF SEXUAL AND ASEXUAL REPRODUCTION In order to avoid extinction species must reproduce and pass their genes on to the next generation, thus ensuring the survival of the population. For reproduction to occur cell division is necessary and this can be divided into two categories according to the behaviour of the chromosomes, they are known as mitosis and meiosis. Mitosis is when the daughter cells finish up containing exactly the same number of chromosomes as the parent cell, typically two of each type, known as the diploid state. Mitosis takes place when an organism grows or reproduces asexually. Meiosis is when each daughter cell ends up with exactly half the number of chromosomes as the parent cell, one of each type, which is known as the haploid state. Meiosis is associated with sexual reproduction and generally takes place in the formation of gametes or in some...

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