Genetics CATS Vocabulary Quiz

A graphical representation of the possible genotypes of an offspring arising from a particular cross or breeding event

• Dichotomous Key

• Bar graph

• Punnett Square

• Climatograph

Having two different alleles of a particular gene or genes

• Homozygous

• Heterozygous

A trait that always shows in offspring; always written as a capital letter

• Recessive Trait

• Dominant Trait

The genetic makeup of an organism; it describes an organism's complete set of genes, (the letters)

• Genotype

• Phenotype

__________________ is used to measure the chances or likelihood of an event to occur, a hypothesis being correct

• Heredity

• A Punnett square

• Genetics

• Probabilty

A threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes

• Gene

• Chromosome

• Trait

• Allele

Having two identical alleles of a particular gene or genes

• Homozygous

• Heterozygous

____________ is the physical expression, or characteristics, of a trait (physical appearance)

• Phenotype

• Genotype

A trait that only shows when there is no dominant trait; always written as a lower case letter

• Dominant trait

• Recessive trait

A genetically determined characteristic

• homozygous

• genetics

• heterozygous

• trait