Meiosis and Nondisjunction

What is the name of the process where gametes are made in a cell division that reduces the number of chromosomes?

• Mitosis

• Meiosis

• Codominance

• Multiple Alleles

Tags

NGSS.HS-LS3-2

How many chromosomes will each of the human daughter cells have at the end of meiosis?

• 12

• 23

• 46

• 92

In which phase does crossing-over happen?

• Prophase I

• Prophase II

• Metaphase I

• Anaphase II

Tags

NGSS.HS-LS3-2

What phase is this?

• Telophase I

• Prophase II

• Metaphase I

• Anaphase II

Tags

NGSS.HS-LS1-4

What phase is this?

• Metaphase II

• Prophase I

• Telophase II

• Anaphase I

In humans, the haploid number of chromosomes is ____.

• 23

• 46

• 69

• 92

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Check all of the following that DO occur during Telophase I and cytokinesis.

• The separated homologous chromosomes are at opposite poles of the cell.

• The cell divides in two.

• The chromosomes do not uncoil, since they are getting ready for Meiosis II.

• Sister chromatids are pulled away from each other.

True or False. In Meiosis II, there are TWO cells that go through each phase at the same time.

• true

• false

The products of MEIOSIS have _______ number of chromosomes.

• haploid

• diploid

Tags

NGSS.HS-LS3-2

What is the main purpose of meiosis in sexually reproducing organisms?

• To produce identical daughter cells

• To reduce the chromosome number by half

• To repair damaged DNA

• To increase genetic diversity through mutations