Podcast
Questions and Answers
What are the two distinctive features found in chromosomes?
What are the two distinctive features found in chromosomes?
- Centrioles and telomeres
- Ribosomes and lysosomes
- Centromeres and kinetochores
- Centromeres and telomeres (correct)
What is the function of centromeres during cell division?
What is the function of centromeres during cell division?
- Bind to microtubules and transport chromosomes (correct)
- Store genetic information for cell replication
- Are involved in protein synthesis
- Act as energy centers for the cell
How do metaphase chromosomes with centromeres appear under the microscope?
How do metaphase chromosomes with centromeres appear under the microscope?
- As single, circular entities
- As elongated structures
- With multiple centromeres
- With visible primary constrictions (correct)
Where is the centromere located in a metacentric chromosome?
Where is the centromere located in a metacentric chromosome?
What is the role of telomeres in chromosomes?
What is the role of telomeres in chromosomes?
In which type of centromere is no single centromere defined and the entire chromosome acts as the centromere?
In which type of centromere is no single centromere defined and the entire chromosome acts as the centromere?
How can chromosomal structure influence whether genes are active or silent?
How can chromosomal structure influence whether genes are active or silent?
What process requires many proteins that interact with microtubules?
What process requires many proteins that interact with microtubules?
How does polyploidy usually arise?
How does polyploidy usually arise?
Which aspect of cell division involves moving chromosomes towards the poles?
Which aspect of cell division involves moving chromosomes towards the poles?
What is the main focus of karyotyping?
What is the main focus of karyotyping?
Which process involves a duplication of DNA without subsequent cell division?
Which process involves a duplication of DNA without subsequent cell division?
What is a karyogram used for in genetics?
What is a karyogram used for in genetics?
What is the term used to describe the two sister chromatids of a replicated chromosome?
What is the term used to describe the two sister chromatids of a replicated chromosome?
How are autosomes different from sex chromosomes?
How are autosomes different from sex chromosomes?
What characteristic feature of human chromosomes led to their naming convention?
What characteristic feature of human chromosomes led to their naming convention?
Why do human males have one X and one Y chromosome in their karyotype?
Why do human males have one X and one Y chromosome in their karyotype?
What do characteristic banding patterns on chromosomes help geneticists distinguish?
What do characteristic banding patterns on chromosomes help geneticists distinguish?