After division of zygote,how does the chromrzones get back to original number?
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since division of zygote is by mitotic division it retains the chromosomal number
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A zygote is diploid(2n) formed by the fusion of male & female gametes which are both haploid(n). The zygote then further undergoes mitotic divisions to grow into whole organism. Due to mitotic divisions, the ploidy level of zygote remains same always, i.e., diploid(2n)
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