Heredity & Genetics

A human body (somatic) cell usually has how many chromosomes?

• 6

• 22

• 4

• 46

Tags

NGSS.MS-LS3-1

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

• 18

• 9

• 27

• 36

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 result of meiosis is:

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

Tags

NGSS.HS-LS3-2

The chromosomes that pair up during meiosis, are called __________ chromosomes.

• heterozygous

• haploid

• homologous

• diploid

Tags

NGSS.HS-LS3-2

What process, and which type of resulting cells are represented?

• mitosis, gametes
• mitosis, body cells
• meiosis, gametes
• meiosis, body cells

Tags

NGSS.HS-LS1-4

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

How many daughter cells are produced from meiosis ?

• 10
• 6
• 4
• 2

Tags

NGSS.HS-LS3-2

At the end of mitosis you have _____ cells.

• identical

• different

• identical twins

• variety

Tags

NGSS.HS-LS1-4

The products of meiosis are genetically...

• different.

• identical.

Tags

NGSS.HS-LS3-2