Alternation between a multicellular haploid and multicellular diploid phase and totipotent cell can potentially develop into any type of cell.
Alternation between a multicellular haploid and multicellular diploid phase is a trait that distinguishes land plants from both animals and fungi. The haploid gametes i.e. half number of chromosomes form a diploid zygote which germinates into a multicellular diploid sporophyte i.e. double number of chromosomes.
A totipotent cell can potentially develop into any type of cell and tissues of an organism, which means that it can develop into an entire new individual or organism or in simple words, a totipotent cell is a single cell that can give rise into a new organism.
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