Cell Cycle, Mitosis and Meiosis

Which term refers to the sequence of events that cells go through as they grow and divide?

• Active transport
• Cell cycle
• Cellular respiration
• Protein synthesis

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NGSS.HS-LS1-4

Which phase of the cell cycle ensures that identical copies of the parent cell DNA are made for the daughter cells?

• Gap 1 (G1)
• Gap 2 (G2)
• Mitosis (M)
• Synthesis (S) 

During which phase of mitosis do the sister chromatids separate and move toward opposite poles of the cell?

• Anaphase
• Metaphase
• Prophase
• Telophase

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NGSS.HS-LS1-4

The common housefly contains 12 chromosomes. An egg cell, a sperm cell, and the resulting zygote from a cross between two houseflies are shown in the diagram below.
The chromosomal mutation in the zygote can be traced to which of the following?

• Chromosome 3 in the egg cell
• Chromosome 6 in the egg cell
• Chromosome 3 in the sperm cell
• Chromosome 6 in the sperm cell 

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The diagram below shows one process of cellular reproduction. During this process, what occurs in the chromosomes of the cells?

• They are duplicated, but the information they store remains the same
• They are duplicated, but the information is passed to only one cell.
• They are duplicated and tripled in number.
• They are duplicated and halved in number.

Tags

NGSS.HS-LS1-4

A gamete would have an incorrect number of chromosomes due to an error in which of the following processes?

• Budding

• Fertilization

• Meiosis

• Mitosis

Tags

NGSS.HS-LS3-2

Which step that occurs in meiosis increases genetic variation in multicellular organisms?

• Formation of tetrads

• Crossing over of nonsister chromatids

• Disappearance of the nuclear membrane

• Moving of centrioles to opposite ends of the cell

Tags

NGSS.HS-LS3-2

In cancer cells, mutations in the DNA cause the cells to reproduce uncontrollably, forming a tumor. Cancer directly affects which cellular process?

• Fertilization

• Mitosis

• Osmosis

• Conjugation

Tags

NGSS.HS-LS1-4

NGSS.HS-LS3-2

A diagram of two strawberry plants is shown. Plant 2 is produced from Plant 1. If the leaf cells of Plant 1 have 56 chromosomes, how many chromosomes will be found in the leaf cells of Plant 2?

• 14

• 18

• 56

• 112

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NGSS.HS-LS1-4

NGSS.HS-LS3-1

Cells produced during mitosis are genetically

• different
• identical

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NGSS.HS-LS1-4