Mitosis and Meiosi

Cells of organism must replicate for ?

• growth
• repair of damaged cells
• replacement of dying cells.
• All of the above

Tags

NGSS.HS-LS1-4

Before cells can divide, what must be copied?

• mitochondria
• cytoplasm
• DNA
• Cell Wall

Tags

NGSS.HS-LS1-4

The division of the nucleus is known as:

• Synthesis
• Mitosis
• G1
• G2

Tags

NGSS.HS-LS1-4

Humans have ________ pairs of chromosomes.

• 21
• 23
• 46
• None of the above

Fruit fly body cells have 8 chromosomes. After mitosis, you would expect a resulting fruit fly daughter cell to have ...

• 16 chromosomes.
• 46 chromosomes.
• 8 chromosomes.
• 4 chromosomes.

Tags

NGSS.HS-LS1-4

The stages of mitosis in order

• Metaphase, Anaphase, Prophase, Telophase
• Prophase, Anaphase, Metaphase, Telophase
• Prophase, Metaphase, Anaphase, Telophase
• Anaphase, Prophase, Telophase, Metaphase

Tags

NGSS.HS-LS1-4

How many chromosomes do humans have?

• 46
• 21
• 10

Tags

NGSS.HS-LS3-1

The time between cell divisions in the life cycle of the cell is called

• anaphase
• interphase
• prophase
• metaphase

The purpose of meiosis is to form ________ cells.

• body
• sex
• somatic
• brain

Tags

NGSS.HS-LS3-2

Why do we need meiosis?

• To double the number of chromosomes going into sex cells
• To halve the number of chromosomes going into sex cells
• To triple the number of chromosomes going into sex cells
• To not change the number of chromosomes going into sex cells

Tags

NGSS.HS-LS3-2