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Term | Definition |
---|---|
genetics | study of heredity |
trait | variation of a particular inherited characters |
allele | alternative form of a gene |
hybrid | offspring of 2 different true-breeding varieties |
genotype | genetic makeup of an organism |
PHENOTYPE | observable traits of an organism. |
homozygous | having identical allele for a gene |
heterozygous | having different alleles for a gene |
dominant | descriptive of an allele in a heterozygous individual that appears to be affecting a trait. |
recessive | descriptive of an allele in a heterozygous individual that does not appear to affect a trait |
Punnett square | diagram showing the probabilities of the possible outcomes of a genetic cross |