Q1
What does mitosis produce?
ATwo genetically identical daughter cells
BFour different daughter cells
COne cell only
DNo cells
ICSEClass 10 (ICSE)BiologyCh 3 · Topic 1
The Cell Cycle and Cell Division (Chromosomes)
Mitosis and meiosis are two types of cell division involving chromosomes, each serving distinct purposes in growth, repair, and reproduction
Core concept
Mitosis produces two genetically identical daughter cells from one parent cell, important for growth, repair, and asexual reproduction.
How it works
Meiosis produces four genetically different daughter cells with half the chromosome number, essential for producing gametes (sex cells) in sexual reproduction.
Why it matters
Chromosomes carry genetic information as DNA, and their number is characteristic for each species (humans have 46 chromosomes in 23 pairs).
Key detail
Understanding chromosome behavior during division explains genetic inheritance patterns and how variation is introduced in offspring.
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• Mitosis: 2 identical daughter cells.
• Used for growth, repair, asexual reproduction.
• Meiosis: 4 different daughter cells, half chromosomes.
• Used for producing gametes (sexual reproduction).
• Chromosomes carry genetic info as DNA.
• Humans have 46 chromosomes (23 pairs).
• Chromosome behaviour explains inheritance.
• It also explains variation in offspring.