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sci explosion ch 13
Science Explosion v4, chapter 13
| Question | Answer |
|---|---|
| codominant | both genes expressed |
| DNA | chemical code that tells cells what to do |
| genes | small pieces of DNA in chromosomes |
| genetic engineering | involves changing or transferring genes from one organism to another |
| genotype | arrangement of genes in an organism |
| heredity | passing of traits from parents to offspring |
| hybrid | plants produced by crossing purebred parents that each have different forms of the same trait |
| incomplete dominance | blending of genes (red flower+white flower=pink flower) |
| pedigree | "family tree" that traces a trait |
| phenotype | physical appearance of an organism |
| purebred plant | plants that show the same trait for many generations when pollinated naturally |
| traits | characteristics |
| recessive trait | hidden in hybrid generation and can appear in later generations |
| dominant trait | The characteristic that is shown in the hybrid generation |