Which Scenario Results in Conjoined Twins

question 19

Multiple Choice

Which scenario results in conjoined twins?

• A) Two ova are produced and fertilized by joined sperm cells.
• B) Two eggs fail to separate on the 13th day after conception.
• C) Two different sperm fertilize the same egg.
• D) Cell mutation takes place prior to the end of the first trimester.

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Definitions:

Genu Varum

A condition characterized by the outward bowing of the legs, commonly referred to as "bowlegs."

Muscle Strength

The ability of a muscle or group of muscles to exert force against resistance.

Gravity

Gravity is the natural force of attraction exerted by a celestial body, like Earth, on objects, pulling them towards its center.

Resistance

The refusal to accept or comply with something; in a physical context, it can refer to the ability of organisms or materials to withstand infections, conditions, or force.