Genetics vocab 2

allele that is always expressed when inherited

• gene

• codominant

• dominant

• recessive

two of the same allele for one gene

• homozygous

• heterozygous

• codominant

• recessive

segment of DNA that codes for a protein

• hybrid

• gene

• phenotype

• genotype

characteristic

• trait

• hybrid

• expression

• allele

trait that varies among individuals of a species

• species trait

• individual trait

• heterozygous trait

• polygenic trait

an organism bred from two different genetic lineages (either at the species level or the gene level)

• hybrid

• homozygous

• carrier

• heterozygous

random sorting of chromosomes/genes during gamete formation

• independent assortment

• crossing over

• fertilization

• segregation

exchange of genes when homologous chromosomes get tangled

• independent assortment

• crossing over

• fertilization

• segregation

grid used to calculate genetic probabilities

• Pedigree square

• Crossover square

• Probability square

• Punnett square

individual that does not show a trait but can pass it on to their offspring

• carrier

• codominant

• homozygous

• pure bred