What Will Occur If a Morula Divides into Three Masses

question 18

Multiple Choice

What will occur if a morula divides into three masses of cells?

• A) The resulting embryos will develop severe birth defects due to missing genes.
• B) Normal identical triplets will be born.
• C) Three distinctly different embryos will develop, depending on which homeoboxes went with which mass of cells.
• D) The resulting embryos will die.
• E) The resulting embryos will develop, but they may be missing some organs based on which germ layers were transferred with each section.

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Definitions:

Vertex

A point where two or more curves, edges, or lines meet, often used to describe the corner point of a polygon or the peak or trough of a parabola.

Parabola

A symmetric curve formed by the intersection of a cone with a plane parallel to a straight line, generatrix, of the cone.

Initial Velocity

The velocity of an object at the start of a time interval.

Coin

A piece of metal, usually flat and circular, authorized by a government for use as money.