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Genetics
Vocabulary
| Term | Definition |
|---|---|
| GENETICS | study of biological inheritance patterns and variations in organisms |
| TRAITS | distinguishing characteristics that are inherited |
| PUREBRED | the offspring of many generations that have the same trait |
| CROSS POLLINATION | mating of organisms; sperm in pollen that fertilizes other plants eggs |
| GENE | piece of DNA that provides a set of instructions to a cell to make a certain protein |
| ALLELE | any of the alternative forms of a gene that may occur at a specific locus |
| HOMOZYGOUS | describes 2 of the same alleles at a specific locus |
| HETEROZYGOUS | describes 2 different alleles at a specific locus |
| GENOTYPE | typically refers to the genetic makeup of a specific set of genes |
| PHENOTYPE | physical characteristics or traits of an individual |
| DOMINANT | the allele that is expressed when 2 dominant alleles are present; more likely |
| RECESSIVE | allele that is only expressed when 2 copies are present; less likely |
| MONOHYBRID | crosses that examine the inheritance of only 1 specific trait |
| DIHYBRID | crosses that examine the inheritance of 2 different traits |