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genetic and heredity
Term | Definition |
---|---|
genetics | is the study of heredity and genes |
heredity | the passing of genetic traits from parent to off spring |
characteristics | is a feature that has different forms in a population |
traits | the different form of a characteristic |
dominant traits | the trait observed in the first generation when parents that have different traits are bred |
recessive traits | a trait that reappears in the second generation when parents with different traits are bred |
ratio | is a relationship between 2 different numbers that is often expressed as a fraction |
genes | one step of instructions for an inherited trait |
allele | one of the alternative forms of a gene that governs a characteristics such as hair color |
phenotype | an organism appearance or other detectable characteristics |
genotype | the entire genetic makeup of an organism also the combination of genes for one or more specific traits |
homozygus (traits) | a plant with 2 dominant or 2 recessive alleles |
hetrozygous | a plant that has the genotype |
punnett square | square diagram that is used to predict the genotypes of a particular cross or breeding |
probability | a likelyhood or chance for a event to happen |
gregor mendel | father of genetics and heredity |