English National Curriculum - Science
Mission Objectives
Explain why a specialised type of cell division is needed to produce gametes
Explain how the process of meiosis affects the genetic makeup of the cells it produces
Compare meiosis with mitosis in terms of their outcomes and purpose
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Words and meanings to learn
zygote
the first cell formed when two gametes fuse, containing the full set of chromosomes (diploid) and capable of developing into a new organism
gamete
a sex cell (sperm or egg) that contains half the number of chromosomes of a body cell (haploid)
haploid
a cell that contains a single set of chromosomes (half the normal number). In humans, this is 23 chromosomes
fertilisation
the fusion of a male and female gamete to form a zygote with the full number of chromosomes
meiosis
a type of cell division that produces four genetically different gametes, each with half the number of chromosomes of the original cell
Handouts
Expert film
Mission assignment film
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