Genetics Vocab 1

allele that gets expressed only when inherited from both parents

• gene

• codominant

• dominant

• recessive

genotype with two different alleles for one gene

• homozygous

• heterozygous

• codominant

• recessive

chart showing how a trait is inherited over generations

• Punnett square

• pedigree

• hybrid

• Mendelian genetics

variation of a gene

• carrier

• pedigree

• allele

• hybrid

anything besides a gene that can influence the gene's expression

• environment

• pedigree

• allele

• phenotype

an organism's genetic makeup

• species trait

• individual trait

• phenotype

• genotype

trait shared by all normal members of one species

• species trait

• individual trait

• heterozygous trait

• polygenic trait

pattern of inheritance that shows simple dominance/recessiveness

• polygenic inheritance

• codominance

• Mendelian inheritance

• sex-linked inheritance

separation of alleles during gamete formation

• independent assortment

• crossing over

• fertilization

• segregation

mathematical chance of an event happening

• Punnett square

• expression

• probability

• predictability