What is one of the main causes of genetic variation within a population?
Understanding Variation: Genetic and Environmental Factors

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Biology
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University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Environmental changes
Inherited genes
Dietary habits
Physical exercise
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do most genetic mutations affect an organism's phenotype?
They always cause significant changes
They have no effect
They are always beneficial
They lead to immediate extinction
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of an acquired characteristic?
Sun tan
Height
Blood type
Eye color
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are acquired characteristics not passed on to offspring?
They are environmentally induced
They are only temporary
They are too complex
They are not encoded in DNA
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What determines most characteristics in an individual?
Only genes
Only the environment
Random chance
A combination of genes and the environment
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of variation results in a range of phenotypes between two extremes?
Discontinuous variation
Environmental variation
Continuous variation
Genetic variation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of variation is usually caused by genes only?
Acquired variation
Discontinuous variation
Continuous variation
Environmental variation
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