Examlex
Both the amnion and the _____ develop from the fertilized egg and not the mother's body.
Spiral Staircase
A type of staircase that curves around a central pole, creating a helical structure.
Chromosomes
Threadlike structures that come in 23 pairs, with one member of each pair coming from each parent. Chromosomes contain the genetic substance DNA.
Human Cell
The basic building block of the human body, which consists of a nucleus and cytoplasm enclosed in a membrane.
Genetic Expression
The process by which information from a gene is used to synthesize functional gene products, such as proteins, which can influence an organism's traits.
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