Genetics

An organism that has two identical alleles for a trait.

• Homozygous

• Heterozygous

• Dominant

• Recessive

An organism that has two different alleles for a trait.

• Homozygous

• Heterozygous

• Dominant

• Recessive

An allele that is always expressed.

• Homozygous

• Heterozygous

• Dominant

• Recessive

An allele that is masked when a dominant allele is present.

• Homozygous

• Heterozygous

• Dominant

• Recessive

A chart that shows all the possible combinations of alleles that can result from a genetic cross.

• Monohybrid

• Genotype

• Phenotype

• Punnett Square

An organism's physical appearance, or visible traits.

• Monohybrid

• Genotype

• Phenotype

• Punnett Square

Genetic makeup of an organism.

• Monohybrid

• Genotype

• Phenotype

• Punnett Square

A cross in which only one characteristic is tracked.

• Monohybrid

• Genotype

• Phenotype

• Punnett Square

Different forms of a gene.

• Allele

• Gene

• Trait

• Heredity

A segment of DNA on a chromosome that codes for a specific trait.

• Allele

• Gene

• Trait

• Heredity