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Williams Biology
Chapter 10 Study Guide
| Term | Definition |
|---|---|
| Genotype | an organism's combination of genes for a certain trait |
| Recessive gene | will be hidden unless the individual is homozygous |
| XY | pair of chromosomes that human males have |
| Punnett sqaure | a tool used to predict the possible results of a genetic cross |
| sex-linked trait | a trait determined by the X or Y chromosome |
| Phenotype | the physical form of a trait produced in an organism |
| Heterozygous | both alleles of a gene are different |
| Homozygous | both alleles of a gene are the same |
| P generation | the offspring of the original organism involved in a cross |
| Heredity | the study of how traits are passed through generations |