Examlex
Aggressive behavior is often characteristic of __________ children.
Sibling
A person's brother or sister, related by blood, adoption, or marriage.
Chromosomes
Thread-like structures located inside the nucleus of animal and plant cells, made of protein and a single molecule of DNA, carrying genetic information.
Genes
Units of heredity made up of DNA that govern the characteristics or traits that organisms inherit from their parents.
Human Body
The physical structure of a human being, comprising various biological systems and organs.
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