Meiosis

A Goat has 60 chromosomes in its body cells.  How many chromosomes would you expect to be in a goat's egg cell?

• 60

• 30

• 100

• 120

Tags

NGSS.HS-LS3-2

Mitosis produces cells with haploid or diploid number of chromosomes?

• Haploid
• Diploid

Meiosis produces cells with a haploid or diploid number of chromosomes?

• Haploid
• Diploid

Tags

NGSS.HS-LS3-2

What happens in Meiosis that causes the cells produced to be unique?

• Metaphase 2
• Interphase
• Splitting of Cytoplasm
• Crossing Over

Tags

NGSS.HS-LS3-2

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

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

Tags

NGSS.HS-LS3-2

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

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