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Unit 1B
| Questionbo | Answer |
|---|---|
| body cell | all cells EXCEPT sperm and egg |
| cancer | uncontrolled mitosis (cell division) due to mutations |
| cell cycle | normal lifespan/division time for a cell |
| chromosome | coiled up, organized DNA (bookshelf) |
| complementary DNA | the matching base letters to the other side of DNA |
| daughter cells | two cells produced from one parent cell |
| differentiation | process by which a cell becomes specialized into a certain cell type |
| DNA | the entire set of genetic information unique to each individual organism |
| Embryo | offspring in the process of development from 2 cells to 8 weeks. |
| Fertilization | process of combining sperm and egg |
| Fetus | offspring in the process of development from 8 weeks to birth |
| Gene | section of DNA that codes for a trait |
| Gene Expression | genes turned ON or OFF |
| Identical | exactly the same |
| Mitosis | division of body cells |
| Mutation | change in DNA sequence |
| Nitrogenous Base/Base Letter/Base Pair | A-T and C-G |
| Nucleotide | building blocks of DNA |
| Nucleus | holds the DNA in chromosomes |
| Parent Cell | the original cell that divides to create new cells |
| Proteins | coded by DNA; become traits |
| Replication | copy |
| Sex Cell | sperm and egg |
| Stem Cell | undifferentiated cell (has not been specialized) |
| Template DNA Strand | original DNA strand |
| Tumor | mass of unregulated cells |
| Zygote | egg that has been fertilized by a sperm |
| offspring | new organisms produced by sexual reproduction or asexual reproduction |