BIG30 #10: Meiosis and Genetic Variation

A human usually has ______ chromosomes in their body cells.

• 6
• 22
• 4
• 46

Tags

NGSS.HS-LS3-1

Asexual reproduction and mitosis occur in...

• Body Cells
• Sex Cells or Gametes

Tags

NGSS.HS-LS1-4

How many daughter cells are produced at the end of mitosis?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-LS1-4

How many chromosomes are in the new cells of mitosis?

• 46
• 23

Tags

NGSS.HS-LS1-4

The purpose of sexual reproduction and meiosis is to form ________ cells.

• body
• sex
• somatic
• brain

Tags

NGSS.HS-LS3-2

How many daughter cells are produced at the end of meiosis?

• 1
• 2
• 3
• 4

In meiosis, Prophase 1 is when chromosomes...

• cross over
• mutate
• hybridize
• fertilize

Tags

NGSS.HS-LS3-2

What causes genetic variation in meiosis?

• chromosomes lining up
• crossing over of chromosomes
• separation of chromosomes
• chromosomes pulling apart

Tags

NGSS.HS-LS3-2

What is one reason why 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

What is one of the advantages, of reproducing sexually versus asexually?

• survival of the fittest
• overproduction
• genetic variation
• cloning

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1