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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 |