Podcast
Questions and Answers
What is the main difference between somatic cells and gametes in terms of chromosome number?
What is the main difference between somatic cells and gametes in terms of chromosome number?
- Somatic cells have the same number of chromosomes as gametes.
- Somatic cells have diploid chromosomes while gametes have haploid chromosomes. (correct)
- Somatic cells have haploid chromosomes while gametes have diploid chromosomes.
- Somatic cells have half as many chromosomes as gametes.
During which process do sister chromatids separate from each other and sort into separate daughter cells?
During which process do sister chromatids separate from each other and sort into separate daughter cells?
- Mitosis (correct)
- Meiosis I
- Crossing over
- Homologous recombination
What is the function of cohesins in chromosome structure?
What is the function of cohesins in chromosome structure?
- Facilitate homologous chromosome pairing
- Enable crossing over to occur
- Join sister chromatids together along their lengths (correct)
- Promote chromosome duplication
Which phase of the cell cycle involves the duplication of all eukaryotic chromosomes?
Which phase of the cell cycle involves the duplication of all eukaryotic chromosomes?
Where are most of the genes stored in eukaryotic cells?
Where are most of the genes stored in eukaryotic cells?
What happens to chromatin to prepare for cell division in eukaryotic cells?
What happens to chromatin to prepare for cell division in eukaryotic cells?
During which phase of the cell cycle does the division of the nucleus occur?
During which phase of the cell cycle does the division of the nucleus occur?
What is the correct order of stages during mitosis?
What is the correct order of stages during mitosis?
What process completes the mitotic phase by dividing the cytoplasm?
What process completes the mitotic phase by dividing the cytoplasm?
In which phase of meiosis do homologous chromosomes pair up and crossing over occurs?
In which phase of meiosis do homologous chromosomes pair up and crossing over occurs?
What is the function of the kinetochore in cell division?
What is the function of the kinetochore in cell division?
Which event occurs during Telophase of mitosis?
Which event occurs during Telophase of mitosis?
Where are different versions of a gene found within homologous chromosomes?
Where are different versions of a gene found within homologous chromosomes?
What differentiates human sex chromosomes (X & Y) from autosomes?
What differentiates human sex chromosomes (X & Y) from autosomes?
What outcome arises from the behavior of chromosomes during meiosis & fertilization?
What outcome arises from the behavior of chromosomes during meiosis & fertilization?
During meiosis, which process leads to the production of new combinations of genes different from those carried by the original parental chromosomes?
During meiosis, which process leads to the production of new combinations of genes different from those carried by the original parental chromosomes?
How many possible chromosome combinations are there from independent assortment in each gamete of a human?
How many possible chromosome combinations are there from independent assortment in each gamete of a human?
What term describes the site where nonsister chromatids join and undergo crossing over during meiosis?
What term describes the site where nonsister chromatids join and undergo crossing over during meiosis?
In meiosis in humans, on average, how many crossover events occur per chromosome pair?
In meiosis in humans, on average, how many crossover events occur per chromosome pair?
What is the term for the process by which each pair of chromosomes independently sorts maternal and paternal homologs into daughter cells?
What is the term for the process by which each pair of chromosomes independently sorts maternal and paternal homologs into daughter cells?
What genetic event significantly increases genetic variability during meiosis?
What genetic event significantly increases genetic variability during meiosis?
Trisomy 21 results in the inheritance of how many copies of chromosome 21?
Trisomy 21 results in the inheritance of how many copies of chromosome 21?
Which type of chromosome structure alteration involves the loss of a chromosome segment?
Which type of chromosome structure alteration involves the loss of a chromosome segment?
How does crossing over contribute to genetic variability during meiosis?
How does crossing over contribute to genetic variability during meiosis?
What is the main reason for the increased incidence of Trisomy 21 with maternal age?
What is the main reason for the increased incidence of Trisomy 21 with maternal age?
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