Meiosis Retake

In humans, the haploid number of chromosomes is ____.

• 23

• 46

• 69

• 92

Which of the following is the best definition for MEIOSIS?

• the process of two haploid cells uniting

• the counting of chromosomes within a diploid cell

• a two-step process that reduces the number of chromosomes in half such that there is only one copy of all the chromosomes

• the equational division of a cell into two identical copies

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

In Anaphase II, the _________ separate.

• Homologues

• Sister Chromatids

• Tetrads

• Centrioles

What phase is shown here?

• Prophase II
• Metaphase I
• Metaphase II
• Anaphase I

What phase is shown here?

• Metaphase II

• Telophase I

• Telophase II

• Metaphase I

What phase is shown here?

• Telophase II

• Anaphase II

• Metaphase I

• Interphase I

Where do we normally find DNA within a cell?

• In the cytoplasm

• In the nucleus

• In the vacuole

• In the smooth ER

At the end of meiosis, how many daughter cells are produced?

• 1

• 2

• 3

• 4