Podcast
Questions and Answers
What is the expected percentage of difference between homologous chromosomes from different individuals?
What is the expected percentage of difference between homologous chromosomes from different individuals?
- 0.1% (correct)
- 0.01%
- 1%
- 10%
During which phase of the cell cycle does DNA replication occur?
During which phase of the cell cycle does DNA replication occur?
- G2 phase
- M phase
- G1 phase
- S phase (correct)
What is the ploidy level of human cells throughout most of the cell cycle?
What is the ploidy level of human cells throughout most of the cell cycle?
- Triploid (3n)
- Haploid (n)
- Tetraploid (4n)
- Diploid (2n) (correct)
What happens to sister chromatids during mitosis?
What happens to sister chromatids during mitosis?
What is uniquely true about sister chromatids?
What is uniquely true about sister chromatids?
What is the state of cells in G2 phase regarding DNA content?
What is the state of cells in G2 phase regarding DNA content?
Which of the following best describes homologous chromosomes?
Which of the following best describes homologous chromosomes?
Which cell types in humans are haploid?
Which cell types in humans are haploid?
What is the result of Meiosis II?
What is the result of Meiosis II?
Which statement accurately describes the cells produced at the end of Meiosis?
Which statement accurately describes the cells produced at the end of Meiosis?
What is the primary purpose of meiosis in animals?
What is the primary purpose of meiosis in animals?
During which phase does crossing-over occur in meiosis?
During which phase does crossing-over occur in meiosis?
What characterizes the process of spermatogenesis compared to oogenesis?
What characterizes the process of spermatogenesis compared to oogenesis?
During which phase of the cell cycle does the DNA content double from 2 to 4?
During which phase of the cell cycle does the DNA content double from 2 to 4?
What is the number of gametes produced through oogenesis after meiosis?
What is the number of gametes produced through oogenesis after meiosis?
What is the primary reason males produce more spermatozoa than females produce ova?
What is the primary reason males produce more spermatozoa than females produce ova?
What is the ploidy level (n) after Meiosis I?
What is the ploidy level (n) after Meiosis I?
What is the duration of spermatogenesis in males?
What is the duration of spermatogenesis in males?
How many mitoses occur before meiosis in males?
How many mitoses occur before meiosis in males?
Which statement is true about the genetic mutations from parents?
Which statement is true about the genetic mutations from parents?
After Meiosis II, what is the DNA content (c) of the gametes?
After Meiosis II, what is the DNA content (c) of the gametes?
What is the DNA content for a cell in the G1 phase of the cell cycle?
What is the DNA content for a cell in the G1 phase of the cell cycle?
What occurs during hypertrophy?
What occurs during hypertrophy?
What happens to the DNA content during the S phase of the cell cycle?
What happens to the DNA content during the S phase of the cell cycle?
How is hyperplasia identified in a tissue sample?
How is hyperplasia identified in a tissue sample?
What is the ploidy number (n) of a typical somatic cell throughout the cell cycle?
What is the ploidy number (n) of a typical somatic cell throughout the cell cycle?
What distinguishes homologous chromosomes from sister chromatids?
What distinguishes homologous chromosomes from sister chromatids?
Which phase is NOT part of interphase?
Which phase is NOT part of interphase?
During which phase of the cell cycle does the DNA content reach 4c?
During which phase of the cell cycle does the DNA content reach 4c?
What characterizes dysplasia in tissue?
What characterizes dysplasia in tissue?
Which is the final step in cell division?
Which is the final step in cell division?
What is the correct relationship between sister chromatids and their DNA content?
What is the correct relationship between sister chromatids and their DNA content?
What is a consequence of loss of control in the cell cycle?
What is a consequence of loss of control in the cell cycle?
What is the main cause of differences between sister chromatids?
What is the main cause of differences between sister chromatids?
What is true about a cell during the M phase of the cell cycle?
What is true about a cell during the M phase of the cell cycle?
What defines the M phase of the cell cycle?
What defines the M phase of the cell cycle?
Which is true regarding the cell cycle phases?
Which is true regarding the cell cycle phases?
What happens to the DNA content during the transition from G1 phase to S phase?
What happens to the DNA content during the transition from G1 phase to S phase?
Which statement best explains the composition of chromosomes at the end of G2 phase?
Which statement best explains the composition of chromosomes at the end of G2 phase?
What is the significance of homologous chromosomes in terms of genetic variation?
What is the significance of homologous chromosomes in terms of genetic variation?
What defines the chromosome structure at the moment sister chromatids separate during mitosis?
What defines the chromosome structure at the moment sister chromatids separate during mitosis?
How can we characterize the DNA content of human somatic cells throughout the cell cycle?
How can we characterize the DNA content of human somatic cells throughout the cell cycle?
What is true about the genetic composition of daughter cells after mitosis?
What is true about the genetic composition of daughter cells after mitosis?
At which point during the cell cycle is the DNA content at its highest level?
At which point during the cell cycle is the DNA content at its highest level?
Which correctly describes the state of homologous chromosomes in a diploid organism such as humans?
Which correctly describes the state of homologous chromosomes in a diploid organism such as humans?
What occurs to the sister chromatids during anaphase of mitosis?
What occurs to the sister chromatids during anaphase of mitosis?
Which phase of the cell cycle immediately follows the separation of sister chromatids?
Which phase of the cell cycle immediately follows the separation of sister chromatids?
What is the significance of homologous chromosomes behaving independently during cell division?
What is the significance of homologous chromosomes behaving independently during cell division?
What role does condensin play during prophase of mitosis?
What role does condensin play during prophase of mitosis?
During which stage does the nuclear envelope break down?
During which stage does the nuclear envelope break down?
What is the function of kinetochores during prometaphase?
What is the function of kinetochores during prometaphase?
How do kinetochores differ between yeast and animal cells?
How do kinetochores differ between yeast and animal cells?
What happens at the end of prometaphase?
What happens at the end of prometaphase?
What indicates a loss of condensin during prophase?
What indicates a loss of condensin during prophase?
Why is the attachment orientation of sister chromatids important?
Why is the attachment orientation of sister chromatids important?
What are motor proteins associated with kinetochores responsible for?
What are motor proteins associated with kinetochores responsible for?
What is a polar microtubule?
What is a polar microtubule?
What are astral microtubules?
What are astral microtubules?
How do kinetechores attach?
How do kinetechores attach?
What is chromosome missegregation?
What is chromosome missegregation?
What is the role of Aurora kinase in cell division?
What is the role of Aurora kinase in cell division?
What are multipolar spindles?
What are multipolar spindles?
What do unattached kinetechores activate?
What do unattached kinetechores activate?
What happens to cells stuck in M-phase?
What happens to cells stuck in M-phase?
What is senescence?
What is senescence?
Which of the following is considered normal: metaplasia or dysplasia?
Which of the following is considered normal: metaplasia or dysplasia?
Where does Vinca Alkaloid work as a cancer drug?
Where does Vinca Alkaloid work as a cancer drug?
Where does Taxol work as a cancer drug?
Where does Taxol work as a cancer drug?
What is cytokinesis?
What is cytokinesis?
When does female oogenesis begin and end?
When does female oogenesis begin and end?
Differences in mitosis and meoisis?
Differences in mitosis and meoisis?
Selection is _____ and _____ for each chromosome pair.
Selection is _____ and _____ for each chromosome pair.
What are the main differences between spermatogenesis and oogenesis?
What are the main differences between spermatogenesis and oogenesis?
When does crossing over occur during meiosis?
When does crossing over occur during meiosis?
Is there genetic and biological basis for race?
Is there genetic and biological basis for race?
More genetic diversity occurs within [blank] and little across [blank].
More genetic diversity occurs within [blank] and little across [blank].
How does chromatin become chromosomes?
How does chromatin become chromosomes?
What is chromatin?
What is chromatin?
Polymorphism is found in more than what percentage of the population, while rare variants are found in less than what percentage?
Polymorphism is found in more than what percentage of the population, while rare variants are found in less than what percentage?
What is polymorphism?
What is polymorphism?