$$OR = \frac{\text{odds of phenotype in presence of SNP}}{\text{odds of phenotype in absence of SNP}}$$

Question 1

Which of the following best describes the main goal of the Human Genome Project?

Accepted Answer

To decode the entire human hereditary information (genome) and provide a reference sequence for medical and biological research

Question 2

Which sequencing technology is known for producing the longest individual DNA reads?

Accepted Answer

Oxford Nanopore sequencing

Question 3

What is the primary advantage of paired-end sequencing in Illumina platforms?

Accepted Answer

It helps with assembly of sequencing data and improves accuracy in repetitive regions

Question 4

Which of the following is NOT a common challenge in experimental genome annotation using cDNA libraries?

Accepted Answer

High error rates in Illumina sequencing

Question 5

Which mechanism is considered the most important for the origin of new genes in prokaryotes?

Accepted Answer

Horizontal gene transfer

Question 6

A Genome-Wide Association Study (GWAS) is primarily used to:

Accepted Answer

Identify genotype-phenotype associations across large populations

Question 7

In a GWAS, the odds ratio (OR) is calculated as:

Accepted Answer

$$OR = \frac{	ext{odds of phenotype in presence of SNP}}{	ext{odds of phenotype in absence of SNP}}$$

Question 8

Which of the following best explains why phylogenetic analysis in prokaryotes is complicated?

Accepted Answer

Horizontal gene transfer creates a 'net' of relationships rather than a simple tree

Question 9

Which of the following is a key insight gained from the Human Genome Project?

Accepted Answer

Historic interbreeding/introgression events are detectable in the human genome

Question 10

Which of the following best describes the concept of 'conservation of synteny'?

Accepted Answer

The conservation of gene order between different species, indicating inheritance from a common ancestor

Question 11

Which sequencing platform is generally considered the cheapest per base and produces highly accurate short reads?

Accepted Answer

Illumina

Question 12

A researcher wants to study gene expression differences between healthy and diseased tissue. Which technology would be most appropriate?

Accepted Answer

Microarray analysis

Question 13

Which of the following is a major challenge when annotating genomes computationally?

Accepted Answer

Assigning biological function to genes with no known homologs

Question 14

Which of the following is NOT a typical step in a GWAS?

Accepted Answer

Comparing gene order between species

Question 15

Which of the following statements about transcriptomics is TRUE?

Accepted Answer

Transcriptomics is also known as RNAseq and involves sequencing cDNA derived from mRNA

Question 16

Which of the following is a real-world application of human genome sequencing?

Accepted Answer

Improving diagnosis and treatment of hereditary diseases

Question 17

Which of the following mechanisms is LEAST likely to generate new genes in eukaryotes?

Accepted Answer

Horizontal gene transfer

Question 18

Which of the following best describes the purpose of the Vertebrate Genomes Project?

Accepted Answer

To sequence and assemble complete genomes from all known vertebrate species

Question 19

Which of the following is a key reason why the cost of sequencing a human genome has decreased dramatically since 2000?

Accepted Answer

The development of next-generation sequencing platforms

Question 20

A Manhattan plot is used in genomics to:

Accepted Answer

Show the distribution of SNPs associated with a phenotype across the genome

Genomics: Structure, Function, and Evolution of Genomes

Study Guide - Practice Questions