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Understanding DNA and Genetics Quiz

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Questions and Answers

What is the function of mRNA in a cell?

Modifies genetic material of an organism
Contains the genetic blueprint of an organism
Forms the structure of chromosomes
Carries genetic instructions from DNA to ribosomes (correct)

Which term describes a change in the genetic instructions in DNA?

Mutation (correct)
Genome
Allele
Chromosomes

What is the role of ribosomes in translation process?

Assemble amino acids based on mRNA instructions (correct)
Carry genetic instructions from DNA to ribosomes
Modify genetic material of an organism
Make a copy of DNA segment to create mRNA

Which term refers to a variant form of a gene?

Allele (A) Signup and view all the answers

What is the key function of DNA in a living organism?

Build and maintain the organism (A) Signup and view all the answers

In genetic engineering, what process involves modifying the genetic material of an organism?

Transcription (B) Signup and view all the answers

What is the main function of a codon?

Code for amino acids (D) Signup and view all the answers

What does PCR stand for in molecular biology?

Polymerase Chain Reaction (C) Signup and view all the answers

What is the primary purpose of DNA Fingerprinting?

Identify genetic profiles (B) Signup and view all the answers

During the Human Genome Project, what was the main role of Gel Electrophoresis?

Separate DNA fragments by size (B) Signup and view all the answers

What was the significance of Sanger Sequencing during the Human Genome Project?

Determined the order of nucleotide bases (C) Signup and view all the answers

What is the purpose of DNA Microarrays in molecular biology?

Analyze gene expression for personalized medicine (B) Signup and view all the answers