Genetics Vocabulary

Front

What is a Gene?

Back

The material that controls which traits are expressed in an organism.

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What does Homozygous mean?

Back

An organism that has both alleles in the same form: dominant or recessive.

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What does Heterozygous mean?

Back

An organism that has one dominant allele and one recessive allele.

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What is Genetics?

Back

The study of how traits are inherited through the interactions of genes.

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What is a Trait?

Back

A characteristic or feature of an organism, often determined by genes.

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What is an Allele?

Back

Different forms of a gene that can exist at a specific locus.

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What is Genotype?

Back

The genetic makeup of an organism, representing the alleles it possesses.

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What is Phenotype?

Back

The observable physical or biochemical characteristics of an organism, determined by its genotype.

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What is Heredity?

Back

The passing of traits from parents to offspring.

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What is the difference between Dominant and Recessive alleles?

Back

Dominant alleles express their traits even when only one copy is present, while recessive alleles only express their traits when two copies are present.