WRS Genetics Vocabulary

Different forms of a gene that can produce variations in traits. (The letters)

• Genotype

• Phenotype

• Allele

• Gene

Segments of DNA that contain instructions for building and maintaining an organism

• Genotype

• Chromosome

• Gene

• Phenotype

The complete set of an organism's DNA, including all of its genes.

• Genotype

• Phenptype

• Genome

• Chromosome

1.     A change in the DNA sequence, which can lead to genetic variations.

• Mutation

• Genetic Variance

• Allele Degredation

• DNA coding

Having two identical alleles for a particular gene.

• Homozygous

• Heterozygous

• Recessive

• Dominant

1.     Having two different alleles for a particular gene.

• Homozygous

• Heterozygous

• Recessive

• Dominant

1.     An allele that is expressed when present in at least one copy.

• Homozygous

• Heterozygous

• Domonant

• Recessive

1.     An allele that is only expressed when present in two copies.

• Homozygous

• Heterozygous

• Dominant

• Recessive

The physical or observable traits of an organism.

• Genotype

• Phenotype

• Genome

• Heredity

The genetic makeup of an organism, represented by its alleles.

• Genotype

• Phenotype

• Mutation

• Genome