Hi the answer is that chemotherapeutic drugs kills both normal and cancerous cells. Hope this helps.
Meiosis is when the parent (haploid) cells divides into two to create for daughter cells having half chromosome's number. This the produce sex cells or gametes - sperm for males while eggs for females. The division is in 9 stages here there is meiosis I then there is also meiosis II.
<span>Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.
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