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Independent Assortment
Two genes (on diff chromosomes) segregate (assort) independently from one another in meiosis.
Homozygous
When both alleles at a given diploid locus are the same e.g. AA or aa.
Heterozygous
When there is one dominant and one recessive allele present at a diploid locus e.g., Aa.
Homozygote
An individual who is homozygous at the locus in question.
Heterozygote
An individual who is heterozygous at the locus in question.
Hybrid
Derived from two genetically different parents.
Monohybrid
A hybrid or heterozygote for one gene.
Dihybrid
A hybrid or heterozygote for two different genes.
True Breeding
Homozygous at the loci/locus in question.
Dihybrid Cross
The two genes segregate independently of each other.
Gametes
reproductive cells
Recombinant Phenotypes
Non-parental phenotype
Phenotypic Ratio
9:3:3:1. crosses that obey this ratio obey Medel's principle of independent assortment.
Branched Line Diagrams
Can generate probabilities of all possible genotypes.
Polygenic Inheritance
The inheritance of a trait governed by more than one gene.
