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

The purpose of sexual reproduction and meiosis is to form:

• body

• gametes

• somatic

• brain

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

If the diploid number of carrots is 18, the haploid number is

• 18

• 9

• 27

• 36

Tags

NGSS.HS-LS3-1

The result of meiosis is:

• two diploid cells
• two haploid cells
• four diploid cells
• four haploid cells

Tags

NGSS.HS-LS3-2

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

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2