Genetics Vocab

Front

Allele

Back

The different forms of a gene. For example: yellow vs. green seeds.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

Genotype

Back

The genetic makeup of a trait. For example: Tt or TT (T = tall height).

Front

Homozygous

Back

Having two of the same alleles for a trait. For example: TT or tt.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Front

Recessive

Back

An allele's inability to mask the dominant form, represented by a lower case letter.

Front

Dominant

Back

An allele's ability to mask the recessive form, represented by a capital letter.

Front

Phenotype

Back

The observable physical or biochemical characteristics of an organism, as determined by both genetic makeup and environmental influences.

Tags

NGSS.HS-LS4-4

Front

Heterozygous

Back

Having two different alleles for a trait. For example: Tt.

Front

Punnett Square

Back

A diagram used to predict the outcome of a particular cross or breeding experiment.

Front

Homologous Chromosomes

Back

Pairs of chromosomes that have the same structure and gene sequence, one from each parent.

Tags

NGSS.HS-LS3-2

Front

Trait

Back

A characteristic or feature of an organism, which can be influenced by genetics.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2