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Unti 10


Dominant the characteristic encoded for is always expressed
Recessive the characteristic encoded for is expressed only in the absence of a dominant
Homozygous having a gene with two of the same alleles
Heterzygous having a gene with two different alleles
Phenotype a characteristic encoded for by genes
Genotype allelic content of a gene pair
Monohybrid Cross considers one gene pair per parent
Dihybrid Crosss considers two gene pairs per parent
Be able to calculate the expected genotypic and phenotypic rations for monohybrid crosses involving complete or incomplete dominance Complete Phenotypic ratio: HD, HETER, HR Complete Genotypic ratio: D, R Incomplete Phenotypic ratio: HD(1), HETER, HD(2) Incomplete Genotypic ratio: HD(1), HETER,, HD(2)