Numerous adult organs possess adult stem cells, which in most cases are multipotent.

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#Unit 5. Developmental Biology

Totipotency

the ability of a single cell to divide and produce all of the differentiated cells in an organism (embryonic and extra embryonic cells).

Eg- spores and zygotes 

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#Unit 5. Developmental Biology

Pluripotency A stem cell that has the potential to differentiate into any of three germ layers(endoderm , mesoderm & ectoderm). Eg-all embryonic cells

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#Unit 5. Developmental Biology

Multipotency

A stem cell can differentiate into a number of cell types but only those a closely related family of cells.

Eg- Hematopoietic stem cells

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#Unit 5. Developmental Biology

Unipotency

A unipotent cell that one stem cell has the capacity to differentiate into one cell type Eg- spermatogonia

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#Unit 5. Developmental Biology

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#Unit 5. Developmental Biology

Cells can progress from totipotent to pluripotent to determined.   d development.