Why your body carries two sets of instructions for one life
In short: Most of your cells contain a double dose of DNA, but not all do. This video explores the fundamental distinction between diploid and haploid cells to explain how genetic information is preserved and passed on.
The video explains the central dogma of biology—how genes code for proteins—to set the stage for cellular genetics. Using red hair as a visible phenotype, Paul Andersen illustrates that humans are primarily diploid creatures, meaning our somatic cells carry two complete sets of chromosomes.
The distinction becomes critical when looking at sex cells (gametes), which are haploid and contain only one set of instructions. The presentation concludes by examining different life cycles where the dominance shifts between haploid and diploid stages.
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- Summary by Intellect · source: Diploid vs. Haploid Cells
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