What is a polygenic trait?

Quiz on Multifactorial Disorders

Quiz
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Science
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University
•
Easy
sue camp
Used 2+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A trait influenced by a single gene
A trait caused by multiple genes
A trait that is only environmental
A trait that shows simple Mendelian inheritance
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a quantitative trait?
Color blindness
Height
Cystic fibrosis
Blood type
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does heritability measure?
The total number of genes in an organism
The proportion of variance in a trait that is due to genetics
The likelihood of a trait being inherited
The environmental impact on a trait
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the concordance rate in twin studies?
The rate at which twins share a trait
The rate at which twins do not share a trait
The genetic similarity between twins
The environmental factors affecting twins
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary focus of linkage analysis?
To analyze the distribution of traits in populations
To identify environmental factors affecting traits
To determine the genetic basis of complex traits
To find genes linked to diseases through family pedigrees
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a characteristic of multifactorial traits?
They are only caused by environmental factors
They are influenced by both genetic and environmental factors
They are determined by a single gene
They follow simple Mendelian inheritance
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of Genome-Wide Association Studies (GWAS)?
They are limited to Mendelian disorders
They do not require any genetic data
They analyze the entire genome for associations with diseases
They focus on a single candidate gene
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