Characteristic passed from parent to offspring? Cross involving a single trait? Trait carried on the X chromosome? Picture of all the human chromosomes arranged in pairs by size? Cross involving two traits? Failure of chromosomes to separate in meiosis? Cross between 2 pure or homozygous organisms? Two forms of a gene for a trait represented by letters? Father of genetics? RR x rr is what type of cross? Also called a 2nd Filial Cross? Genotype in which both alleles are the same? Law that states that the dominant gene will be expressed? Organism used for Mendel's genetic studies? Physical feature that results from a genotype? RR or rr are examples of this? Round and wrinkled are examples of ? Also called a hybrid genotype? Rr is an example? Blending of the 2 genes in the hybrid genotype? Pink flower color is an example of? Rr x Rr is an example of what type of cross? Law that states that the 2 genes for a trait will separate in meiosis? Cross between 2 hybrid organisms? Example of codominance? Two genes that combine to determine a trait? When 2 genes are dominant for a trait? Known as freebleeders? Inability to digest fats in infants? Three 21st chromosomes results in ? Genetic disorder causing red blood cells to carry less oxygen? BE ABLE TO WORK A P1 monohybrid cross! BE ABLE TO WORK AN F1 monohybrid cross! BE ABLE TO WORK A dihybrid cross! STUDY!!!!! Sex-linked trait affecting color vision?