NGSS Statement from LS1.B HS :
In multicellular organisms individual cells grow and then divide via a process called mitosis, thereby allowing the organism to grow. The organism begins as a single cell (fertilized egg) that divides successively to produce many cells, with each parent cell passing identical genetic material (two variants of each chromosome pair) to both daughter cells. Cellular division and differentiation produce and maintain a complex organism, composed of systems of tissues and organs that work together to meet the needs of the whole organism.
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All parts of the body, including the skin and lungs, develop from a single fertilized egg cell. |
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Both the leaves and the roots of a plant can develop from a single fertilized cell. |
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Both the flowers and the stem of a plant can develop from a single fertilized cell. |
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A new skin cell of a cow contains the same number of DNA molecules as the existing skin cells. |
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A new skin cell of a cow contains the same number of chromosomes as the existing skin cells. |
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