A Cloned Mammal Is Made by Removing the DNA from the Unfertilized

question 17

Multiple Choice

A cloned mammal is made by removing the DNA from the unfertilized egg of an egg donor, replacing it with DNA from a cell of a mature animal, and then implanting that cell into the uterus of a surrogate mother. The cell then divides and behaves as if it were a regular embryo. Answer the following question(s) regarding a clone.
-Will the clone typically be sterile or fertile?

• A) Sterile
• B) Fertile
• C) It depends on whether it is male or female.

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Definitions:

G₀ Phase

A phase in the cell cycle where cells are neither dividing nor preparing to divide, effectively in a resting state.

S Phase

A phase of the cell cycle in which DNA is replicated, preparing cells for cell division.

Cytokinesis

The process in cell division where the cytoplasm divides, creating two separate cells.

Telophase

is the final phase of cell division, during which chromosomes de-condense and two new nuclear envelopes begin to form.