Examlex
Infants born blind will not smile or frown because they have never seen anyone exhibit these expressions.
Haploid
A cell or organism having a single set of chromosomes, typically half the normal diploid number, characteristic of gametes.
Cell
The basic structural, functional, and biological unit of all known living organisms, a small compartment enclosed by a membrane that contains the organism's genetic material and the biochemical structures needed to sustain life.
Metaphase I Alignment
A stage of meiosis where homologous chromosomes align at the cell equator before being separated into two different cells.
Maternal Chromosomes
Refers to the chromosomes that an organism inherits from its mother.
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