Genetics and Cell Cycle

What is it called when a sperm and egg meet?

• meiosis
• fertilization
• cell division
• mitosis

Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.

• 23, 46
• 46, 23
• 2, 4
• 50, 100

Diploid Cells are represented by

• 2n
• n
• 4n
• 1/2 n

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

The purpose of meiosis is to form ________ cells.

• body
• sex
• somatic
• brain

Tags

NGSS.HS-LS3-2

Asexual reproduction will result in

• Identical offspring to the parent
• Twins
• Meiosis
• Non-identical offspring to the parent

Tags

NGSS.MS-LS3-2

The nuclear membrane breaks down occurs during which stage?

• Interphase
• Metaphase
• Prophase
• Telophase

Tags

NGSS.HS-LS1-4

What is cancer

• Mutation

• Fatty Tissue

• Cells that divide improperly

• Bad Protein

What are chromosomes

• Holds Part or all of DNA strands

• X shaped cell

• Breaks down cancer

• Destroys DNA

How does mutation affect the body

• breaks down tumors

• kills off bad cells

• It can cause the body to change in ways it shouldn't

• it deletes the chromosomes