1) Heredity a) The passing of traits from parent to offspring b) The study of how traits are passed from parent to offspring 2) Genetics a) The passing of traits from parent to offspring b) The study of how traits are passed from parent to offspring. 3) Dominant trait a) A genetic factor that blocks another genetic factor. b) A genetic factor that blocks by the presence of a dominant factor. 4) Recessive trait a) A genetic factor that blocks another genetic factor. b) A genetic factor that blocks the presence of a dominant factor 5) Gene a) A section of DNA on a chromosome that has genetic information for one trait. b) A different form of gene. 6) Allele a) How a trait appears or is expressed. b) A different form of gene. 7) Genotype a) The alleles of all the genes on an organisms phenotype. b) How a trait appears or is expressed. 8) Phenotype a) The alleles of all the genes on an organisms phenotype. b) How a trait appears or is expressed 9) Homozygous a) A genotype in which the two alleles of a gene are the same b) A genotype in which the two alleles of a gene are different 10) Heterrozygous a) A genotype in which the two alleles of a gene are the same. b) A genotype in which the two alleles of a gene are different. 11) Punnett square a) A model that is used to show the probability of all possible genotypes and phenotypes of offspring. b) a tool that shows phenotypes of genetically related family members 12) Pedigree a) A model that is used to show the probability of all the possible genotypes and phenotypes of offspring. b) a tool that shows phenotypes of genetically related family members

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