Same chapter3 marksDifficulty: Medium
Draw a labelled diagram of a chromosome and name its parts.
Cell Cycle, Cell Division and Structure of Chromosomes
3 marksDifficulty: Medium
State the significance of meiosis.
Original Khojo Papers practice question — not from a past board paper.
Answer
Meiosis halves the chromosome number in the gametes, so that fertilisation restores the normal number and it stays constant from one generation to the next. Crossing over and the independent assortment of chromosomes during meiosis also produce new combinations of genes, which is the source of variation.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Without meiosis the chromosome number would double at every fertilisation.
Related questions
From the same topic and chapter, at a similar level.
Same chapter2 marksDifficulty: Medium
Where in the human body does meiosis take place, and what does it produce?
Cell Cycle, Cell Division and Structure of Chromosomes
Same chapter3 marksDifficulty: Medium
Name the three stages of interphase and state the chief event of each.
Cell Cycle, Cell Division and Structure of Chromosomes
Same chapter3 marksDifficulty: Medium
Name the four stages of mitosis in order and state one event of each.
Cell Cycle, Cell Division and Structure of Chromosomes
Same chapter3 marksDifficulty: Medium
State three differences between mitosis and meiosis.
Cell Cycle, Cell Division and Structure of Chromosomes
Same chapter3 marksDifficulty: Medium
What is the significance of mitosis?
Cell Cycle, Cell Division and Structure of Chromosomes