Meiosis practice questions

In humans, the haploid number of chromosomes is ____.

• 23

• 46

• 69

• 92

Tags

NGSS.HS-LS3-1

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

Tags

NGSS.HS-LS3-2

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

• true

• false

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

Tags

NGSS.HS-LS3-2

In Metaphase I, tetrads line up along the _______.

• mitotic spindle

• centrosomes

• equatorial plane

• contractile ring

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

Cells undergo a round of DNA replication, forming duplicate chromosomes

• Interphase

• Prophase II

• Anaphase II

• Prophase I

Spindle fibers attach to the chromosomes that are arranged across the middle of the cell

• Interphase

• Anaphase II

• Metaphase I

• Telophase II & Cytokinesis

Tags

NGSS.HS-LS1-4

What phase is shown here? Hint: you are starting to see the nuclear membrane again!

• Metaphase II

• Telophase I

• Telophase II

• Metaphase I

Tags

NGSS.HS-LS1-4

What phase is this?

Hint: membrane is disappearing

• Interphase II

• Prophase I

• Metaphase I

• Anaphase II

Tags

NGSS.HS-LS1-4