True-Breeding-Term used to describe organisms that produce offspring identical to themselves if allowed to self-pollinate.
Trait-Specific charactoristic that varies from one individual to another
Hybrid-Offspring of crosses between parents with differen't traits.
Gene-Sequence of DNA that codes for a protein and thus determines a trait
allele-One of a number of differen't forms a gene.
Segregation-Segregation of alleles during gamete formation
Gamete-Specialized cell involved in sexual reproduction
Probability-likelyhood that a particular event will occur.
Punnett square-Diagram showing the gene combinations that might result from a genetic
Homozygous-Term used to refer to an organism that has two similar alleles for the same trait.
Heterozygous-Term used to refer to an organism that has two differen't alleles for the same trait.
Phenotype-Physical charactoristics of an organism
Genotype-Genetic make-up of an organism
Homologous-Term used to refer to chromosomes that each have a corresponding chromosome from the opposite-sex parent.
Diploid-Term used to refer to a cell that contains both sets of homologous chromosomes.
Haploid-Term used to refer to a call that contains only a single set of chromosomes and therefore ,only a single set of genes
Meiosis-Process by which the number of chromosomes per cell is cut in half through the seperation of homologous chromosomes in a diploid cell.
Tetrad-Structure containing 4 chromatids that forms during meiosis.
Crossing-Over-Process in which homologous chromo-somes exchange portions portions of their chromatids during meiosis
Gene Map-Diagram showing the relative locations of each known gene on a particular chromosome.
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