Meiosis (AQA GCSE Biology): Flashcards
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Type of cell division that creates gametes
Type of cell division that creates gametes
Meiosis
Cells produced by meiosis
Cells produced by meiosis
Gametes (sex cells)
Main purpose of meiosis
Main purpose of meiosis
Reduce chromosome number by half
Parent cell type in meiosis
Parent cell type in meiosis
Diploid (two sets of chromosomes)
No. of chromosomes in human body cells
No. of chromosomes in human body cells
46 chromosomes (23 pairs)
No. of times a cell divides in meiosis
No. of times a cell divides in meiosis
Twice
No. of daughter cells produced by meiosis
No. of daughter cells produced by meiosis
Four
Genetic makeup of meiosis daughter cells
Genetic makeup of meiosis daughter cells
All four are genetically different
Type of cells produced by meiosis (diploid/haploid)
Type of cells produced by meiosis (diploid/haploid)
Haploid (one set of chromosomes)
No. of chromosomes in human gametes
No. of chromosomes in human gametes
23 chromosomes
Cell formed when sperm joins with egg
Cell formed when sperm joins with egg
Zygote
No. of chromosomes in a zygote (humans)
No. of chromosomes in a zygote (humans)
46 chromosomes (23 from each parent)
Type of division used by zygote to form embryo
Type of division used by zygote to form embryo
Mitosis
Location where meiosis occurs
Location where meiosis occurs
Reproductive organs
No. of daughter cells: meiosis vs mitosis
No. of daughter cells: meiosis vs mitosis
Meiosis: 4, Mitosis: 2