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Gene Analysis and Genetic Engineering
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1
Question
What is gene analysis?
Page 4
Answer
The process of examining individual genes or groups of genes to understand their sequence, structure, function, regulation, and interactions.
2
Question
What aspects of genes does gene analysis seek to understand?
Page 4
Answer
• Sequence • Structure • Function • Regulation • Interactions
3
Question
Name five techniques used in gene analysis.
Page 4
Answer
• DNA sequencing • PCR • Gene expression studies • Mutation detection • Bioinformatic analysis
4
Question
What is a fundamental role of gene analysis in genomics?
Page 4
Answer
Enables scientists to identify genetic traits, disease risks, and functional roles of specific genes.
5
Question
What technique is applied to single cells from healthy and pathological tissues in gene analysis?
Page 4
Answer
Single-cell RNA-seq
6
Question
In single-cell RNA-seq analysis, what follows the sequencing step?
Page 4
Answer
Expression profile clustering
7
Question
What do clustered expression profiles produce in single-cell gene analysis?
Page 4
Answer
Cell-type maps
8
Question
How are disease-associated cells identified in pathological tissues using gene analysis?
Page 4
Answer
Through single-cell RNA-seq, expression profile clustering, and cell-type mapping
9
Question
Why is gene analysis important for disease research?
Page 4
Answer
It identifies disease risks and disease-associated cells in pathological tissues.
10
Question
What distinguishes pathological tissues from healthy ones in single-cell RNA-seq?
Page 4
Answer
Pathological tissues reveal disease-associated cells via expression clustering.
11
Question
What is the scope of gene examination in gene analysis?
Page 4
Answer
Individual genes or groups of genes
12
Question
How does bioinformatic analysis contribute to gene analysis?
Page 4
Answer
It is one of the key techniques for interpreting gene data.
13
Question
What genetic traits can gene analysis help identify?
Page 4
Answer
Traits linked to specific genes through sequence, function, and regulation studies.
14
Question
In gene analysis, what role does PCR play?
Page 4
Answer
It is a technique used alongside DNA sequencing for gene studies.
15
Question
What is the starting sample used in the DNA isolation process?
Page 5
Answer
Body fluids sample
16
Question
What temperature and duration are used for sample lysis in DNA isolation?
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Answer
70°C for 15 minutes
17
Question
What step immediately follows sample lysis in the DNA isolation workflow?
Page 5
Answer
DNA binding
18
Question
What step comes after DNA binding in DNA isolation?
Page 5
Answer
Wash step
19
Question
What is the step after the wash step in DNA isolation?
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Answer
Elution step
20
Question
What is the final product of the DNA isolation process?
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Answer
Purified gDNA
21
Question
What is the first step in the PCR cycle?
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Answer
Denature (heat) to separate strands
22
Question
What does the denaturation step in PCR accomplish?
Page 5
Answer
Separates double-stranded DNA into single strands
23
Question
What is the second step in PCR?
Page 5
Answer
Anneal primers to their complementary sequences
24
Question
In PCR, what do primers bind to during annealing?
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Answer
Their complementary sequences
25
Question
What is the third step in the PCR cycle?
Page 5
Answer
Synthesizes new strands with Taq polymerase
26
Question
What enzyme synthesizes new DNA strands in the PCR extension step?
Page 5
Answer
Taq polymerase
27
Question
What is the correct order of steps in one PCR cycle?
Page 5
Answer
1. Denature, 2. Anneal primers, 3. Synthesize with Taq polymerase
28
Question
Why is the sample lysis step heated to 70°C in DNA isolation?
Page 5
Answer
To lyse (break open) the sample
29
Question
What is genetic engineering?
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Answer
A laboratory-based process that deliberately modifies the DNA of an organism to alter its traits.
30
Question
What is the purpose of DNA modification in genetic engineering?
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Answer
To produce desired characteristics.