Homozygous: a state for a diploidplugin-autotooltip__default plugin-autotooltip_bigDiploid: a term that describes a cell or organism that has two copies of similar genetic information, usually obtaining one copy from a male parent and the other copy from a female parent. organism wherein the two allelesplugin-autotooltip__default plugin-autotooltip_bigAllele: a version of a gene. Alleles of a gene are different if they have differences in their DNA sequence. for a geneplugin-autotooltip__default plugin-autotooltip_bigGene: read Chapters 02, 03, 04, 05, and 06 for a definition of gene :-) are identical to each other.