Biology / Bio 0997 · Atom · ~20 seconds
The Diplontic Life Cycle
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In a diplontic life cycle, the multicellular organism is diploid throughout its life, and meiosis produces haploid gametes that are the only haploid cells present.
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A human's body cells stay diploid throughout life; only sperm and egg cells are ever haploid.
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The organism itself never becomes haploid in this cycle — only its gametes do, briefly, until fertilization restores the diploid state.