Biology Cell Cycle Check

A mouse has 40 chromosomes in its normal, diploid cells. What is the number of chromosomes in mouse haploid cells?

• 46

• 40

• 20

• 12

Before dividing, cells package their DNA into structures called:

• Ribosomes

• Centromeres

• Chromosomes

• Centrioles

homologous chromosomes swapping DNA is what?

What is the term for the exchange of genetic material between homologous chromosomes during meiosis?

• Replication

• Transcription

• Crossing over

• Translation

When Cytoplasm is divided equally?

• Metaphase

• Prophase

• Anaphase

• Cytokinesis

Tags

NGSS.HS-LS1-4

Before a cell divides, what event must happen to its DNA?

• The DNA must be deleted

• The DNA must be replicated (copied)

• The DNA stays the same

Tags

NGSS.HS-LS1-4

What is the result of meiosis?

• 4 haploid cells

• 4 diploid cells

What is the process called that results in the formation of gametes?

The stage of the cell cycle where the cell begins to divide is called:

Tags

NGSS.HS-LS1-4

What is the name of the process where homologous chromosomes exchange genetic material during meiosis?