Examlex
Output per labor-hour is used to measure the ________ of labor.
Dizygotic Twins
Also known as fraternal twins, are siblings born from two separate eggs fertilized by two different sperm cells, sharing about 50% of their genetic material.
Fertilized Egg
A fertilized egg, or zygote, is the result of the fusion of a human egg and sperm, marking the beginning of human development.
Germinal Period
The initial two weeks of prenatal development after conception, characterized by rapid cell division and the beginning of cell differentiation.
Conception
The mental process of forming ideas or notions.
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