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Questions and Answers
What is the primary reason for humans growing taller at a record speed?
Which country has experienced a significant increase in height in the last 200 years?
What is the main factor contributing to height differences among individuals?
Which group of people are the tallest on the planet?
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Why do scientists study height?
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How many genetic variations affect human height?
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What can identifying genes involved in growth factors inform?
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Has the rate of height increase slowed down or continued at the same pace?
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What makes height an easy trait to study?
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Is the process of growing from a small baby to an adult well-understood?
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Study Notes
- Humans are growing taller at a record speed due to better health and diet standards.
- The Dutch have experienced a 20 cm increase in height in the last 200 years due to genetics and lifestyle improvements.
- Height differences are due to genes and environmental factors.
- Latvian women and Dutch men are the tallest individuals on the planet.
- Scientists study height to understand genetics of complex traits like diabetes and heart disease.
- Over 3,000 genetic variations affect human height, many located in genes involved in bone biology and skeletal growth.
- Identifying genes involved in growth factors can inform treatments for growth failure and other diseases.
- Height increase has slowed down, and it's uncertain if we'll keep getting taller.
- Height is an easy trait to measure and study.
- Height increase from a small baby to an adult is a complex question that hasn't been completely answered yet.
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