Third Parties

question 27

Multiple Choice

Third parties

• A)have a direct influence on development.
• B)can serve as supports for or barriers to development.
• C)rarely have any influence on development.
• D)primarily serve as barriers to early development.

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Definitions:

Totipotent Stem Cell

Cells that have the potential to differentiate into any type of cell in an organism, including embryonic and extraembryonic tissues.

Pluripotent Stem Cell

A stem cell that has the potential to differentiate into any of the three germ layers: endoderm, mesoderm, or ectoderm, thus capable of giving rise to any cell type of the body.

Somatic Cell Lines

Cultures derived from non-reproductive body cells used in research and medical treatments.

Meiosis

A type of cell division that reduces the chromosome number by half, creating four haploid cells, each genetically distinct from the parent cell and from each other.