Meiosis

Question 1

Prophase I

Answer 1

— Centriole pairs move to opposite poles of the cell
— Nucleoli and nuclear envelope disappears
— Spindle fibres form

Question 2

Metaphase I

Answer 2

— Bivalents line up along the equator of the spindle
— Centromeres attach to spindle fibres

Question 3

Anaphase I

Answer 3

— Homologous chromosomes are separated ( spindle fibres shorten pulling centromeres to opposite poles of the cell )

Question 4

Telophase I

Answer 4

— Chromosomes begin to decondense
— Nuclear envelopes begin to form

Question 5

Prophase II

Answer 5

— Chromosomes condense
— nucleoli and nuclear envelope disappear
— New spindle forms at 90 degrees to the first

Question 6

Metaphase II

Answer 6

— Chromosomes (sister chromatid pair) line up along the equator of the spindle
— Centromeres attach to spindle fibres

Question 7

Anaphase II

Answer 7

— Centromeres divide
— sister chromatids separated (spindle fibres shorten and pull each chromatid towards the opposite pole of the cell

Question 8

Telophase II

Answer 8

— Chromosomes decondense
—Nucleoli and nuclear envelope forms
— Cytoplasm divides (cytokinesis)