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5.4 and 5.5 Vocab
Term | Definition |
---|---|
heredity | the passing of genetic material from parents to offspring |
gene | segments of DNA found in chromosomes that give instructions for producing certain characteristics |
allele | the different versions of a gene |
genotype | the combination of alleles that you inherited from your parents |
phenotype | your observable traits |
dominant | contributes to the phenotype if one or two copies are present in the genotype |
recessive | contributes to the phenotype only when two copies of it are present |
incomplete | each allele is a heterozygous individual influences the phenotype |
dominance | when one trait is completely dominant over the other |
codominance | both of the alleles in heterozygous individual contribute to the phenotype |
punnett square | a graphic used to predict possible genotypes of offspring in a given cross |
probability | the mathematical chance of a specific outcome in relation to the total number of possible outcomes |
ratio | an expression that compares two quantities |
pedigree | traces the occurrence of a trait through generations of a family |