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7th Topic 7
7th Topic 7 Lesson 3 & 4 Vocabulary
Term | Definition |
---|---|
Chromosome | a threadlike structure within a cell’s nucleus that contains DNA that is passed from one generation to the next |
Cell Cycle | the series of events in which a cell frows, prepared for division, and divides to form two daughter sells. |
Pedigree | a tool that geneticists use to map out the inheritance of traits |
Meiosis | the process that occurs in the formation of sex cells (sperm and egg) by which the number of chromosomes is reduced by half. |
Chromatids | the structure formed when a chromosome divides during meiosis |
Mitosis | the second stage of the cell cycle, during which the cell’s nucleus divides into two new nuclei and one set of DNA is distributed into each daughter cell. |
Structure | a set of pieces or parts that are arranged in a certain way within a larger object, system, or body |
Function | the job or purpose of a specific structure or organ within an organism |
DNA | Deoxyribonucleic acid; the genetic material that carries information about an organism and is passed from parent to offspring |
Protein Synthesis | the process by which amino acids link together to form proteins. |
Messenger RNA | type of RNA that carries copies of instructions for the assembly of amino acids into proteins from DNA to ribosomes in the cytoplasm. |
Transfer RNS | type of RNA in the cytoplasm that carries an amino acid to the ribosome during protein synthesis |
Sequence | a series of connected events that happen in a specific order |