Under What Circumstances Might Identical Twins Be Conjoined

question 59

Multiple Choice

Under what circumstances might identical twins be conjoined?

• A) If there is some mutation in the genetics of the mother.
• B) If there is some mutation in the genetics of the father.
• C) If two sperm fertilize the same egg.
• D) If the egg splits in two very early after fertilization (within five days).
• E) If the egg splits relatively late after fertilization (after nine days).

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Definitions:

Substitutes

Goods or services that can be used in place of each other, where the increase in the price of one leads to an increase in the demand for another.

Bagels

A type of bread product originating from the Jewish communities of Poland, known for its dense, chewy texture and a doughnut-like shape.

Complementary Goods

Goods that are consumed together because the use of one product increases the use of another, such as smartphones and phone cases.

Vanilla Pudding

A creamy dessert made with vanilla flavoring, milk, sugar, and a thickening agent, often served cold.