BIOL 1090 Chapter Notes -Metaphase, Interphase, Ribose

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Functions of the genetic material: the genotypic function, replication. The genetic material must store genetic information and accurately transmit that information from parents to offspring, generation after generation: the phenotypic function, gene expression. The genetic material must control the development of the phenotype of the organism. That is, the genetic material must dictate the growth of the organism from the single-celled zygote to the mature adult: the evolutionary function, mutation. The genetic material must undergo changes to produce variations that allow organisms to adapt to modifications in the environment so that evolution can occur. Deoxyribonucleic acid (dna) and ribonucleic acid (rna) Proof that genetic information is found in dna. Dna is found only in chromosomes/rna is also found in cytoplasm. Molecular composition of dna is the same/rna composition varies. Genetic information of living organisms stored in dna. Dna is doubled-stranded with adenine paired with thymine, and guanine paired with. Rna is single-stranded with uracil instead of thymine.

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