Gene and Variations Vocab

One member of a pair or series of genes on specific chromosomes in specific positions.

• Heterozygous

• Dominant Trait

• Recessive Gene

• Phenotype

An organism that has two different alleles for a trait.

• Heterozygous

• Homozygous

• Allele

• Phenotype

A genetic trait passed from parent to child that is more likely to be expressed.

• Phenotype

• Recessive Gene

• Dominant Trait

• Gene

The basic unit of heredity in a living organism; a segment of DNA or RNA.

• Gene

• Phenotype

• Recessive Gene

• Allele

The genetic code passed down from parents to offspring that determines all physical and physiological traits, also called phenotypes.

• Gene

• Genotype

• Chromosome

• Phenotype

An organism that has a pair of identical alleles for a trait.

• Homozygous

• Heterozygous

• Genotype

• Gene

The intracellular structures made of the cell's double-stranded DNA genome packaged bound to DNA-binding proteins.

• The intracellular structures made of the cell's double-stranded DNA genome packaged bound to DNA-binding proteins.

• One member of a pair or series of genes on specific chromosomes in specific positions.

• The observable traits of an individual, which are passed on from parent to offspring.

• A genetic trait that lacks the ability to manifest itself when a dominant gene is present.

One member of a pair or series of genes on specific chromosomes in specific positions.

• Allele

• Gene

• Genotype

• Heterozygous

one set of instructions for an inherited trait

• heredity
• allele
• trait
• gene