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vocabulary review

Chromosome contains genes; one set of chromosomes is passed to the offspring
Gene DNA; contains hereditary material passed to the offspring
Alleles two forms of a gene (everyone has two) 1. Gene for eye color (blue eye allele/green eye allele) 2. Parent passes one allele to the offspring ( random as to which one gets passed) 3. Each sex cell contains one allele (formed by meiosis)
Dominant Allele the form of the gene that is always expressed
Recessive Allele the form of the gene that is only expressed when both alleles are recessive
Phenotype an organism's appearance
Genotype an organism's inherited combination of alleles
Heterozygous (hybrid) the organism has two different forms of an allele
Homozygous (pure) the organism has two of the same type of alleles
Ratio the probability of an organism inheriting a phenotype
Created by: carlsond