The Parents-To-Be Were Shocked When an Ultrasound Scan Done in the Second

question 1

Multiple Choice

The parents-to-be were shocked when an ultrasound scan done in the second trimester of the pregnancy showed a fetus with obviously broken leg bones and ribs.The doctor diagnosed osteogenesis imperfecta.This is caused by a mutation in a gene that encodes

• A)beta globin.
• B)a clotting factor.
• C)myosin.
• D)collagen.

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Definitions:

Constant of Proportionality

The fixed value that relates two proportional quantities.

Directly Proportional

A relationship between two variables wherein they increase or decrease at the same ratio.

Fifth Power

Raising a number or expression to the exponent of five, multiplying it by itself four times.

Hooke's Law

A principle of physics that states the force needed to extend or compress a spring by some distance is proportional to that distance.