What Is One Experimental Result That Supports the Hypothesis That

question 21

Multiple Choice

What is one experimental result that supports the hypothesis that cancers are clonal?

• A)Cancer cells all come from the same anatomical site.
• B)Cells from the same cancer have identical genes mutated.
• C)Cancer cells from tumors have identical karyotypes.
• D)Cells from cancers of women have the same X chromosome inactivated.

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Definitions:

Lipochrome

Lipid-containing pigment that is metabolically inert.

Actin Filaments

Protein fibers that play a vital role in cell movement and shape, as well as muscle contraction, being part of the cytoskeleton.

Endocytosis

is a cellular process in which substances are brought into the cell by engulfing them in a vesicle formed from the plasma membrane.

Vesicle

Small sac containing a liquid or gas, such as a blister in the skin or an intracellular, membrane-bounded sac.