Genetics Vocab

Front

Molecule in cells containing genetic info for organism development and function.

Back

DNA

Front

Basic unit of heredity made of DNA, coding for traits.

Back

Gene

Front

Structure in the cell nucleus made of proteins and DNA organized into genes.

Back

chromosome

Front

One of two or more versions of a gene inherited from each parent. Example: purple and white flower colors in pea plants.

Back

allele

Front

Collection of genes responsible for genetic traits of an organism, referring specifically to the genes.

Back

Genotype

Front

Observable traits of an individual, like height and eye color.

Back

Phenotype

Front

Stronger gene appears with allele; capital letter (e.g., T - Tall)

Back

Dominant Allele

Front

Weaker gene hidden by another allele. Lowercase letter. Example: t - short.

Back

Recessive Allele

Front

Two identical alleles are called:

Back

homozygous

Front

Two different alleles are called:

Back

heterozygous