Meiosis Review

True or False? Before cells undergo meiosis they pass through interphase first.

• true

• false

What is unique to Prophase I- is that the duplicated chromosomes pair up to form _______.

• a centrosome

• a tetrad

• the mitotic spindle

• sister chromatids

In which stage of MEIOSIS does crossing over occur? (The exchange of genetic material between chromosomes in a tetrad.)

• Anaphase I

• Metaphase I

• Prophase I

• Telophase I

In Anaphase I, the _________ are separated by the pulling of the spindle fibers to opposite poles of the cell.

• homologous pairs of chromosomes

• sister chromatids

• centromeres

• centrosomes

At the start of Meiosis II, which of the following is NOT true?

• There are two cells.

• The cells are haploid.

• The chromosomes are paired up as homologues.

• DNA is present as two sister chromatids joined at the centromere.

In Metaphase II, _________ line up on equatorial plane.

• homologous pairs of chromosomes

• single chromosomes (made up of 2 sister chromatids)

• tetrads

• centrosomes

In Anaphase II, the _________ separate.

• Homologues

• Sister Chromatids

• Tetrads

• Centrioles

How many cells are formed at the end of Meiosis II?

• 2

• 3

• 4

• 8

The products of MEIOSIS have _______ number of chromosomes.

• haploid

• diploid

Name the stage: Chromosomes pull away from each other and move to opposite sides of the cell

• Prophase

• Metaphase

• Anaphase

• Telophase