Examlex
Validity refers to actually measuring what you want to measure.
Tumor Suppressor Genes
Genes that help regulate cell growth and division, and when mutated can lead to cancerous growths by failing to suppress tumor formation.
Cell Division
The process by which a parent cell divides into two or more daughter cells, critical for growth, repair, and reproduction in organisms.
Morphogen
Any chemical agent thought to govern the processes of cell differentiation and pattern formation that lead to morphogenesis.
Maternal Effect Genes
Genes whose expression in the mother's egg controls the phenotype of the offspring, regardless of the offspring's own genotype.
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