Examlex
In an atom, electrons can have only specific, allowed orbital energies.
Physical Trait
Observable characteristics of the body, including appearance, strength, and genetic features.
Genes
Units of heredity made up of DNA that carry information for the development, functioning, and reproduction of organisms.
Meiosis
A type of cell division that reduces the chromosome number by half, resulting in four haploid cells, each genetically distinct from the parent cell, involved in sexual reproduction.
Sperm Cell
The male reproductive cell, which can fertilize an egg cell to initiate the development of a new organism.
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