Appunti VERIFICATO
Human Genetics
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Di cosa parla
- Genetics studies inheritance and genetic variation; it focuses on genes, heredity, and population variation.
- DNA is composed of nucleotides with deoxyribose sugar, phosphate, and one of four nitrogenous bases (A, C, G, T); it forms a double helix with hydrogen bonds between complementary base pairs.
- Gene expression involves transcription (RNA polymerase producing RNA from DNA) and translation (protein synthesis).
- DNA replication is semiconservative, using an origin of replication; it requires enzymes like DNA polymerases and occurs in steps including denaturation, primer synthesis, strand extension, and gap filling.
- Eukaryotic chromatin compaction involves nucleosomes and higher-order structures, with euchromatin and heterochromatin differing in accessibility for gene expression.
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