Results are shown above for 3 biallelic SNPs on the same chromosome used in a GWAS examining SNP-trait correlations for a complex human disease trait. Tabl entries show the number of people with the indicated SNP allele that have the disease (disease group) or don't have the disease (control group). Which SNP would have the highest -log₁0(p-value) score in a Manhattan plot summarizing results of this GWAS, and which is the SNP "risk allele"?

Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter19: Population Genetics And Human Evolution
Section: Chapter Questions
Problem 10QP
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19,21

Disease Control
group group
Allele A 25,350
24,133
Allele C
Allele C 24,650 25,867 Allele T
SNP1
SNP 2; risk allele is C
SNP 3; risk allele is G
SNP 2; risk allele is T
SNP 3; risk allele is A
Results are shown above for 3 biallelic SNPs on the same chromosome used in a
GWAS examining SNP-trait correlations for a complex human disease trait. Table
entries show the number of people with the indicated SNP allele that have the
disease (disease group) or don't have the disease (control group). Which SNP
would have the highest -log₁0(p-value) score in a Manhattan plot summarizing
results of this GWAS, and which is the SNP "risk allele"?
SNP 1; risk allele is A
SNP2
SNP 1; risk allele is C
Disease
Control
group
group
1,420
1,509
48,580 48,491
SNP3
Allele G
Allele A
Disease Control
group group
47,360
3,109
2,640
46,891
Transcribed Image Text:Disease Control group group Allele A 25,350 24,133 Allele C Allele C 24,650 25,867 Allele T SNP1 SNP 2; risk allele is C SNP 3; risk allele is G SNP 2; risk allele is T SNP 3; risk allele is A Results are shown above for 3 biallelic SNPs on the same chromosome used in a GWAS examining SNP-trait correlations for a complex human disease trait. Table entries show the number of people with the indicated SNP allele that have the disease (disease group) or don't have the disease (control group). Which SNP would have the highest -log₁0(p-value) score in a Manhattan plot summarizing results of this GWAS, and which is the SNP "risk allele"? SNP 1; risk allele is A SNP2 SNP 1; risk allele is C Disease Control group group 1,420 1,509 48,580 48,491 SNP3 Allele G Allele A Disease Control group group 47,360 3,109 2,640 46,891
A population has an inbreeding co-efficient of 0.9. Which of the following
statements is consistent with this information?
O
individuals in this population are homozygous for alleles of most genes
allelic variation for genes in this population is high
individuals in this population are heterozygous for alleles of most genes
random mating in the population is common
the population is in Hardy-Weinberg equilibrium
Transcribed Image Text:A population has an inbreeding co-efficient of 0.9. Which of the following statements is consistent with this information? O individuals in this population are homozygous for alleles of most genes allelic variation for genes in this population is high individuals in this population are heterozygous for alleles of most genes random mating in the population is common the population is in Hardy-Weinberg equilibrium
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