Podcast
Questions and Answers
What becomes visible during cell division?
What becomes visible during cell division?
- Ribosomes
- Endoplasmic Reticulum
- Mitochondria
- Chromosomes (correct)
What is constant for all members of a species?
What is constant for all members of a species?
- Number of chromosomes (correct)
- DNA content
- Cell size
- Cytoplasm distribution
Why are chromosomes not visible in an active nucleus?
Why are chromosomes not visible in an active nucleus?
- Due to nuclear membrane thickness
- Due to high-water content (correct)
- Due to low-water content
- Due to presence of ribosomes
During which stage of cell division are chromosomes smallest?
During which stage of cell division are chromosomes smallest?
When are chromosomes easily observed, very thick, quite short and well spread in the cell?
When are chromosomes easily observed, very thick, quite short and well spread in the cell?
What is the unit of heredity carried by chromosomes?
What is the unit of heredity carried by chromosomes?
Which stage has the longest and thinnest chromosomes?
Which stage has the longest and thinnest chromosomes?
Which group of human chromosomes contains the largest metacentric and submetacentric chromosomes?
Which group of human chromosomes contains the largest metacentric and submetacentric chromosomes?
What is the distinguishing feature of the Y chromosome?
What is the distinguishing feature of the Y chromosome?
Which type of heterochromatin remains permanently in the heterochromatic state?
Which type of heterochromatin remains permanently in the heterochromatic state?
What is the location of the ribosomal RNA (rRNA) genes in human chromosomes?
What is the location of the ribosomal RNA (rRNA) genes in human chromosomes?
Which group of human chromosomes contains medium-sized acrocentric chromosomes with satellites?
Which group of human chromosomes contains medium-sized acrocentric chromosomes with satellites?
What term is used to describe the light-stained regions of chromosomes after chemical treatment?
What term is used to describe the light-stained regions of chromosomes after chemical treatment?
Which group of human chromosomes contains the smallest metacentric and submetacentric chromosomes?
Which group of human chromosomes contains the smallest metacentric and submetacentric chromosomes?
Which of the following describes a metacentric chromosome?
Which of the following describes a metacentric chromosome?
What is the term used to describe the short arm of a chromosome?
What is the term used to describe the short arm of a chromosome?
Which type of chromosome has a secondary constriction and a chromosomal satellite?
Which type of chromosome has a secondary constriction and a chromosomal satellite?
What is the purpose of organizing chromosomes into a karyotype?
What is the purpose of organizing chromosomes into a karyotype?
Which of the following stains is commonly used to produce banding patterns on chromosomes?
Which of the following stains is commonly used to produce banding patterns on chromosomes?
Which type of chromosome has one arm significantly longer than the other?
Which type of chromosome has one arm significantly longer than the other?
What is the term used to describe the long arm of a chromosome?
What is the term used to describe the long arm of a chromosome?
What is the primary function of centromeres in eukaryotic chromosomes?
What is the primary function of centromeres in eukaryotic chromosomes?
What is the primary function of telomeres in eukaryotic chromosomes?
What is the primary function of telomeres in eukaryotic chromosomes?
What is the definition of a karyotype?
What is the definition of a karyotype?
What is the purpose of G-banding in karyotyping?
What is the purpose of G-banding in karyotyping?
What is the difference between euchromatin and heterochromatin based on the G-banding pattern?
What is the difference between euchromatin and heterochromatin based on the G-banding pattern?
What is the term used to describe the diagrammatic representation of the karyotype, showing all the morphological features of the chromosomes?
What is the term used to describe the diagrammatic representation of the karyotype, showing all the morphological features of the chromosomes?
What is the primary difference between the normal male and normal female karyotype with G-banding?
What is the primary difference between the normal male and normal female karyotype with G-banding?
Which phase of the cell cycle do the light bands (euchromatin) replicate in?
Which phase of the cell cycle do the light bands (euchromatin) replicate in?
What is the primary purpose of karyotyping in cytogenetics?
What is the primary purpose of karyotyping in cytogenetics?
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