Genetics Vocabulary

Alternate forms of a gene.

• Alleles
• Homozygous genotype
• Genotype

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

The branch of science that studies patterns of inheritance of traits.

• Genetics
• Hybrids
• Punnett squares

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A genotype consisting of two identical alleles of a gene for a particular trait.

• Alleles
• Homozygous genotype
• Heterozygous genotype

The term for the only genotype that will not result in the expression of a dominant phenotype.

• Homozygous recessive
• Heterozygous genotype
• Homozygous dominant

Units of inheritance usually occurring at specific locations, or loci, on a chromosome.

• Hybrids
• Homozygous recessive
• Genes

Tags

NGSS.HS-LS3-1

The observable or detectable characteristics of an individual organism.

• Alleles
• Phenotype
• Genotype

A graphical method of showing all of the potential combinations of offspring genotypes that can occur and their probability given the parent genotypes. This system uses a square & was named after a British geneticist.

• Punnett square
• Genotype
• Purebred

A genotype consisting of two different alleles of a gene for a particular trait.

• Homozygous genotype
• Heterozygous genotype
• Purebred

The general term for a genotype in which there are two lowercase alleles.

• Homozygous recessive
• Heterozygous genotype
• Homozygous dominant

The general term for an allele that masks the presence of another allele in the phenotype.

• Alleles
• Dominant allele
• Recessive allele