Examlex
The ribs and sternum are considered to be part of ____.
Chemical Compound
A substance formed from two or more elements chemically united in fixed proportions.
Genes
The basic physical and functional units of heredity, made up of DNA sequences that instruct how organisms are built and function.
Hereditary Characteristics
Traits and features that are passed from parents to offspring through genes.
Negatively Charged Particle
An elementary particle with a negative electric charge, such as an electron.
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