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Meiosis
Asexual reproduction can be achieved through mitosis in eukaryotes or by binary fission in prokaryotes.
Offspring produced are genetically identical to the parent and to each other
o Random mutation is the only way that variation can occur in asexual reproduction

Sexual reproduction occurs when a male and a…

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Meiosis I

Prophase I
Chromatin condenses and supercoils
o Chromosomes shorten and thicken
Stains can be added to enable the chromosomes to be seen under a light microscope
Chromosomes pair up in homologous pairs One maternal and one paternal chromosome
o Forms a bivalent
o Genes are located at the…

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Meiosis II ­ division on a right angle plane to meiosis I





Prophase II
Nuclear envelope if formed, breaks down again
o Nucleolus disappears
o Chromosomes condense and spindles form




Metaphase II
Chromosomes line up along the equator randomly assorted
o Attached by centromeres





Anaphase II
Centromeres divide
o Chromatids…

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