Unit 4: Genetics UPDATED

Before cells can divide, what must be copied?

• mitochondria
• cytoplasm
• DNA
• Cell Wall

Tags

NGSS.HS-LS1-4

Humans have ________ pairs of chromosomes.

• 21
• 23
• 46
• None of the above

Eukaryotic cells store their genetic information(DNA) in __________.

• Chromosomes
• Centromeres
• karyotypes
• Proteins

Tags

NGSS.HS-LS3-1

The ___________ holds the replicated sister chromatids together.

• centriole
• chromosomes
• centromere
• cycles

Tags

NGSS.HS-LS1-4

The cell spends most of it's life in ________________.

• mitosis
• cytokinesis
• Interphase
• None of the above

When a plant cell goes through cell division,  _____________.

• the 2 new nuclei are separated by the cell membrane pinching off.
• 4 new cells are formed
• a cell plate forms, dividing the 2 new nuclei
• None of the above

Tags

NGSS.HS-LS1-4

A human cell has 46 chromosomes before mitotic division.  How many chromosomes will the daughter cells after mitosis.

• 12
• 23
• 46
• 92

Tags

NGSS.HS-LS1-4

The stages of mitosis in order

• Metaphase, Anaphase, Prophase, Telophase
• Prophase, Anaphase, Metaphase, Telophase
• Prophase, Metaphase, Anaphase, Telophase
• Anaphase, Prophase, Telophase, Metaphase

Tags

NGSS.HS-LS1-4

The nuclear membrane breaks down occurs during which stage?

• Interphase
• Metaphase
• Prophase
• Telophase

Tags

NGSS.HS-LS1-4

Asexual reproduction will result in

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

Tags

NGSS.MS-LS3-2