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Variants & Health
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What are genetic variants and how do they arise?
A gene variant is a permanent change/alteration in one or

How can gene variants affect health and development?
When a change occurs in a gene, its genetic information

Do all gene variants affect health and development?
Most gene variants do not affect health and development, only

What types of gene variants can exist?
Gene variants are of several kinds depending on where they

Can the number of genes influence health and development?
In general, people have two copies of each gene, one

Can difference in the number of chromosomes have an impact on health and development?
Ideally, human cells contain 23 pairs of chromosomes, i.e. 46

What information can statistics provide about a genetic condition?
Statistical data provides information about how common a disease is,

How are genetic conditions and genes named?
Genetic conditions are not named in one standard way. When

Can changes in the chromosome structure affect health and development?
Changes in the chromosome structure can cause problems with growth,

Can changes in noncoding DNA affect health and development?
Not all changes in the noncoding DNA have an impact

Can changes in mitochondrial DNA affect health and development?
Mitochondria are known as the powerhouse of the cell, this

What are complex or multifactorial disorders?
Diseases that have more than one root cause for its

What does it mean to have a genetic predisposition to a disease?
A genetic predisposition (or genetic susceptibility) isn’t the same as

How do gene variants contribute to evolution?
Evolution can be understood as the gradual change of something.
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