The types of E. coli, which can cause diarrhea can be transmitted through contaminated water or food, or through contact with animals or people. E. coli consists of a diverse group of bacteria. Pathogenic E. coli strains are categorized into pathotypes.
Zygote forms from haploid cells which form a diploid. The diploid zygote will then keep dividing by mitosis the first division always forms 2 cells from one parent cell.
