Genetics Vocabulary

An organism that has two different alleles for a trait

• Dominant

• Recessive

• Homozygous

• Heterozygous

An organism that has two identical alleles for a trait

• Dominant

• Recessive

• Homozygous

• Heterozygous

Passing of traits from parents to offspring

• Heredity
• DNA
• Genetics
• Chromosomes

An organism's physical appearance, or visible traits.

• Phenotype
• Genotype
• Homozygous
• Heterozygous

Genetic makeup of an organism

• Phenotype

• Genotype

• Homozygous

• Heterozygous

An allele that is always expressed

• Dominant
• Recessive
• Homozygous
• Heterozygous

An allele that is masked when a dominant allele is present

• Dominant

• Recessive

• Homozygous

• Heterozygous

Is made of DNA and is contained in the nucleus

• Heredity

• DNA

• Genetics

• Chromosomes

The scientific study of the passing of traits from parents to offspring.

• Heredity

• DNA

• Genetics

• Chromosomes

A trait that is not in your genes but is picked up from environmental factors.

• Acquired Trait

• Inherited Trait

• DNA

• Genes