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| Term | Definition |
|---|---|
| chromosome | carries the hereditary information |
| genetic disorder | are caused by DNA muations or changes in chromosomes |
| cytokinesis | cytoplasm separates, 2 daughter cells are formed |
| phenotype | an organisms physical appearance |
| pedigree | used to trace the inheritance of traits |
| karyotype | a picture of the chromosomes in a cell |
| punnett square | shows all the possible outcomes of a genetic cross |
| carrier | a person who has one recessive and one dominant allele for a trait |
| diffusion | movement of molecules from an area of higher concentration to an area of lower concentration |
| meiosis | the process that occurs in the formation sex cell (cell with half the number of chromosomes) |
| DNA molecule | is shaped like a spiral staircase |
| mutation | any change in a gene or chromosome |
| base pair rule | A with T; C with G |
| mitosis | is the stage in the cell cyle during which the cell's nucleus divides into two new nuclei |
| cloning | results in two oranisms that are genetically identical |