Meiosis – sexual reproduction (Edexcel GCSE Biology Combined Science): Flashcards
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What is meiosis?
What is meiosis?
Formation of 4 non-identical cells from 1 cell
Where does meiosis occur?
Where does meiosis occur?
Reproductive organs
How many cells does meiosis produce?
How many cells does meiosis produce?
4
How many chromosomes in a gamete?
How many chromosomes in a gamete?
23 (one copy of each)
Why are gametes genetically different?
Why are gametes genetically different?
Chromosomes shuffled during meiosis
How many chromosomes after fertilisation?
How many chromosomes after fertilisation?
46
Division type after fertilisation
Division type after fertilisation
Mitosis
Structure formed after fertilisation
Structure formed after fertilisation
Embryo
Where are male gametes in flowering plants?
Where are male gametes in flowering plants?
Pollen
Where are female gametes in flowering plants?
Where are female gametes in flowering plants?
Ovaries