Meiosis Review

What process is being represented in this diagram?

• sexual reproduction

• mitosis

• meiosis

• DNA replication

Tags

NGSS.HS-LS3-2

What process is being represented in this diagram?

• asexual reproduction

• mitosis

• meiosis

• DNA replication

Tags

NGSS.HS-LS1-4

NGSS.HS-LS3-2

If an egg cell of an organism contains 12 chromosomes, how many chromosomes should be present in a heart cell of the same organism?

• 12

• 24

• 6

• 48

Answer explanation

Sex cells contain half the number of chromosomes as body cells.

Tags

NGSS.HS-LS3-2

What is a gamete?

• a body cell (ex. skin or heart cell)

• an autosome

• a sex cell (ex. sperm or egg)

• a somatic cell

Tags

NGSS.HS-LS3-2

How many chromosomes does a sex cell have compared to a body cell?

• twice as many

• the same amount

• the same, but replicated

• half as many

Tags

NGSS.HS-LS3-2

Somatic cells are formed during what process?

• meiosis

• mitosis

• DNA replication

• interphase

Tags

NGSS.HS-LS1-4

The matching pair of chromosomes you inherit from your genetic parents are called

• sister chromatids

• autosomes

• homologous chromosomes

• sex chromosomes

Tags

NGSS.HS-LS3-1

When does "crossing over" of genes occur during meiosis?

• Prophase I

• Metaphase I

• Anaphase I

• Telophase I

Tags

NGSS.HS-LS3-2

What happens during anaphase?

• Chromosomes/chromatids line up in center

• Nucleus dissolves

• The cell divides

• Chromosomes/chromatids are pulled apart

Tags

NGSS.HS-LS1-4

How many chromosomes are in the somatic cells of humans?

• 46

• 23

• 42

• 26