Human Genetics and Genomics MCQs with Answers

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Welcome to the Human Genetics and Genomics MCQs with Answers. In this post, we have shared Human Genetics and Genomics Online Test for different competitive exams. Find practice Human Genetics and Genomics Practice Questions with answers in Biology Tests exams here. Each question offers a chance to enhance your knowledge regarding Human Genetics and Genomics.

Human Genetics and Genomics Online Quiz

By presenting 3 options to choose from, Human Genetics and Genomics Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Human Genetics and Genomics Questions and Answers and click over the correct answer.

Test Name: Human Genetics and Genomics MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

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Human Genetics and Genomics

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1 / 40

What is epigenetics?

The study of gene replication

The study of mutations

The study of changes in gene expression that do not involve changes to the underlying DNA sequence

2 / 40

What is the term for a cell with two sets of chromosomes?

Haploid

Polyploid

Diploid

3 / 40

What is the human diploid chromosome number?

4 / 40

What is an exon?

A coding region of a gene

A type of regulatory element

A non-coding region of a gene

5 / 40

What is an autosome?

Any chromosome that is not a sex chromosome

A sex chromosome

A mitochondrial chromosome

6 / 40

What is the structure of a DNA molecule?

Double helix

Triple helix

Single strand

7 / 40

What is the term for the observable traits of an organism?

Phenotype

Allele

Genotype

8 / 40

What is the process by which proteins are synthesized from mRNA?

Replication

Transcription

Translation

9 / 40

What is the term for different versions of a gene?

Chromatids

Alleles

Loci

10 / 40

What is a karyotype?

A display of an individual's chromosomes

A phase of cell division

A type of gene

11 / 40

What is the function of the promoter region in a gene?

To terminate transcription

To encode a protein

To initiate transcription

12 / 40

What is the term for the process by which cells become specialized in structure and function?

Replication

Mutation

Differentiation

13 / 40

What is the name of the bond that holds the two strands of DNA together?

Ionic bond

Covalent bond

Hydrogen bond

14 / 40

What is the primary molecule that carries genetic information?

DNA

RNA

Protein

15 / 40

What is an operon?

A single eukaryotic gene

A group of genes regulated together in prokaryotes

A type of mutation

16 / 40

What is the term for a genetic disorder caused by an extra chromosome 21?

Klinefelter syndrome

Turner syndrome

Down syndrome

17 / 40

What is the term for a gene that can cause cancer when mutated?

Tumor suppressor gene

Oncogene

Proto-oncogene

18 / 40

What is the process by which DNA is copied?

Replication

Translation

Transcription

19 / 40

What are the four nucleotide bases in DNA?

Adenine, Thymine, Cytosine, Guanine

Thymine, Uracil, Cytosine, Guanine

Adenine, Uracil, Cytosine, Guanine

20 / 40

What is the term for the inheritance pattern where both alleles are expressed equally in the phenotype?

Recessive inheritance

Incomplete dominance

Codominance

21 / 40

What is genetic linkage?

The exchange of genetic material between homologous chromosomes

The separation of homologous chromosomes during meiosis

The tendency of genes close together on a chromosome to be inherited together

22 / 40

What is the name of the sequence where RNA polymerase binds to initiate transcription?

Enhancer

Promoter

Operator

23 / 40

What is a mutation?

A change in the DNA sequence

A type of chromosome

A kind of protein

24 / 40

What is an intron?

A non-coding region of a gene

A type of mutation

A coding region of a gene

25 / 40

What is a genome-wide association study (GWAS)?

A study that looks for associations between genetic variants and traits in a population

A method for DNA sequencing

A study of gene expression

26 / 40

What is the function of telomeres?

To initiate DNA replication

To protect the ends of chromosomes from deterioration

To encode proteins

27 / 40

What is the role of the enzyme DNA polymerase?

To transcribe RNA

To translate mRNA

To synthesize new strands of DNA

28 / 40

What is the purpose of a gene knockout experiment?

To amplify a gene

To sequence a gene

To study the function of a gene by disabling it

29 / 40

What is the purpose of PCR (polymerase chain reaction)?

To amplify DNA

To replicate RNA

To sequence DNA

30 / 40

What are the building blocks of DNA?

Nucleotides

Amino acids

Sugars

31 / 40

What is the function of the ribosome?

To transcribe DNA

To synthesize proteins

To replicate DNA

32 / 40

What is the term for the genetic makeup of an organism?

Phenotype

Genome

Genotype

33 / 40

What is the term for the complete set of genetic information in an organism?

Gene

Genome

Chromosome

34 / 40

What is the basic unit of heredity?

Gene

Nucleotide

Chromosome

35 / 40

What is the process by which RNA is synthesized from a DNA template?

Transcription

Replication

Translation

36 / 40

What is the role of microRNAs (miRNAs) in gene regulation?

To transcribe RNA

To replicate DNA

To regulate gene expression post-transcriptionally

37 / 40

What is a codon?

A regulatory element

A sequence of nucleotides in DNA

A sequence of three nucleotides in mRNA that encodes an amino acid

38 / 40

What is a polygenic trait?

A trait controlled by a single gene

A trait controlled by multiple genes

A trait with multiple phenotypes

39 / 40

What is the role of tRNA in protein synthesis?

To bring amino acids to the ribosome

To replicate DNA

To synthesize RNA

40 / 40

What is a single nucleotide polymorphism (SNP)?

A large chromosomal rearrangement

A variation at a single position in a DNA sequence among individuals

A type of gene mutation

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admin3 weeks ago

0 3 1 minute read