| A | B |
|---|
| sexual reproduction | genetic info from mother annd father combine to make a new cell |
| gene | located on chromosomes, codes for a product |
| heredity | passing of genes from parents to offspring |
| allele | various forms of the same gene |
| phenotype | what the organism looks like |
| genotype | the names for the genes of an organism (letter) |
| dominant allele | trait that is expressed even if only 1 copy of it is present, it is seen the most often |
| recessive allele | allele that is expressed when 2 copies of it are present, less common trait |
| Punnett square | illustrates how a parents' alleles might combine in offspring |
| homozygous | same alleles for a single trait |
| heterozygous | different alleles for a single trait |
| traits | characteristics of an organism, genetically controlled |
| purebred | an organism that always produces the same traits in its offspring, usually homozygous |
| sex linked gene | gene located on a sex chromosome (x or y) |
| pedigree | chart which shows family relationships over several generations |
| genetic engineering | scientific process in which DNA is changed within an organism |
| biotechnology | technique/method of improving |
| selective breeding | plants, animals pick what you want in yoru offspring (color, height, etc) |
