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Questions and Answers
What is indicated by the short arm and the long arm of a chromosome?
What is indicated by the short arm and the long arm of a chromosome?
- The specific genes located on the chromosome
- The identification of chromosomal abnormalities
- The physical structure related to arm deletions (correct)
- The overall length of the chromosome
Which stain is suggested to facilitate the identification of specific regions on chromosomes?
Which stain is suggested to facilitate the identification of specific regions on chromosomes?
- DAPI stain
- Fluorescent bright-field stain
- Giemsa stain (correct)
- Hematoxylin and eosin stain
What does a deletion in chromosome 22 imply in genetic studies?
What does a deletion in chromosome 22 imply in genetic studies?
- It is often harmless and has no phenotypic effects
- It may be associated with specific genetic disorders (correct)
- It can signify a potential risk for cardiovascular diseases
- It indicates a structural defect in other chromosomes
What can the term 'Long Avm' refer to in the context of chromosomes?
What can the term 'Long Avm' refer to in the context of chromosomes?
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In chromosomal notation, what does 'Arm' typically refer to?
In chromosomal notation, what does 'Arm' typically refer to?
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Study Notes
Chromosome Analysis
- Short arm of chromosome 9 is labeled P1
- Long arm of chromosome 9 is labeled q
- Bands A, B, C, D, E, and F are all located on chromosome 9
- Band 4 is located on the long arm (q) of chromosome 9
- Giemsa staining is used to identify specific regions of chromosomes
- A deletion in chromosome 22 is identified
Other
- The text includes figures that are not described in the study notes
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