Medical Quiz

Genes, Genomes & Alleles Quiz


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What is DNA sequencing?

A. The total of genes carried by an individual or cell

B. Coding genes in order to identify single nucleotide polymorphisms

C. Deciphering the functions of various parts of the human genome

D. The process of identifying the order of the bases in DNA


Identify an application of genetic sequencing below:

A. Improved and more accurate diagnosis of inherited disorders due to single genes

B. Providing personalised medication and treatment depending on the genetic combination

C. Determine evolutionary relationships between species

D. All of the above


A version or variation of a gene

A. trait

B. gene

C. allele

D. DNA


What is the general trend of the genome size and number for viruses, bacteria and eukaryotic organisms?

A. Genome size and number increases from viruses to bacteria to eukaryotes

B. Genome size and number decreases from viruses to bacteria to eukaryotes

C. Genome size and number increases from viruses to bacteria but then decreases to eukaryotes

D. Genome size decreases from viruses to bacteria but then increases to eukaryotes


Long strands of DNA are wrapped into

A. DNA

B. Chromosome

C. Alleles

D. Phenotype


Which best describes the impact that the Human Genome Project (HGP) has had on society?

A. It has helped scientists determine that certain genes can cause diseases

B. It has led to discrimination against genetically flawed individuals

C. It has led to the appearance of new diseases

D. It has cost society billions of dollars without any major benefits


What year was the Human Genome Project (HGP) started?

A. 1990

B. 1999

C. 2003

D. 1987


The complete genomes of many organisms have been sequenced. The table shows the number of genes and base pairs in the genome of several species, as well as their haploid chromosome number (n). Which organism has the largest number of base pairs (bp) in their genome?

A. Rice

B. Capsicum

C. Human

D. Horse


The study of the genome is known as

A. Biology

B. Genomics

C. Genes

D. Heredity


Humans have _______ pairs of chromosomes, for a total of _______ chromosomes.

A. 10, 20

B. 25, 100

C. 23, 46

D. 46, 92


The main goal of the Human Genome Project (HGP) was to:

A. Identify the unique parts of each person’s DNA.

B. Identify genes responsible for human diseases.

C. Identify genes responsible for human behavior.

D. Determine the entire sequence of human DNA.


Genetic traits are determined by one or more

A. genes

B. organelles

C. random chances

D. cells


The genomes of two unrelated humans are ___% the same.

A. 90

B. 0.10%

C. 78%

D. 99.90%




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