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24 terms
Terms | Definitions |
|---|---|
 genotype | refers to the genetic makeup of the organism for a trait |
| phenotype | refer to the phyisical characteristica of the organism |
| heterozygous | an organism with two different genes for a trait |
| homozygous | an organism with two identical genes for a trait |
| punnett square | is a tool used to predict the probability of the type of offspring produced from a cross between two parents |
| mutation | a permanent change in a gene or chromosome is called a mutation |
| Heredity | the passing of traits from parent to offspring |
| Genetics | is the study of how traits are inherited |
| Dominant | of genes adjective Ex. producing the same phenotype whether its allele is identical or dissimilar |
| recessive | The inherited characteristic often masked by the dominant characteristic and not seen in an organism. |
| offspring | baby/child/kid |
| purebred | it either has two dominants or two recessive traits |
| hybrid | has one dominant or resessive |
| Gene | sequence of DNA that codes for a protein and thus determines a trait |
| Trait | specific characteristic that varies from one individual to another |
| variation | something that has multiple choices |
| inherited | what you inherited from your parents Ex....hair color...eyes..height |
| probability | the likelihood that a particular event will occur |
| zygote | Fertilized egg |
| genotype ratio | like 2 CC: 2 Cc: 0 cc |
| phenotype ratio | example 4 curly hair: 0 straight |
| ratio | the relative magnitudes of two quantities (usually expressed as a quotient) |
| Phenotypic | of or relating to or constituting a phenotype |
| Allele | one of two alternate forms of a gene that can have the same locus on homologous chromosomes and are responsible for alternative traits |
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