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Bio quiz 2

An educational illustration depicting the stages of mitosis and meiosis, featuring colorful diagrams of cell division, chromosomes, and spindle fibers, suitable for a biology quiz.

Bio Quiz 2: Cell Division and Genetics

Test your knowledge on cell division and genetics with this engaging quiz! Explore key concepts from mitosis and meiosis to the role of chromosomes and the nature of genetic variation.

Whether you're a student or just passionate about biology, this quiz will help you:

Assess your understanding of critical biological processes
Learn fun facts about cell biology
Challenge yourself with 16 thought-provoking questions

16 Questions4 MinutesCreated by ExploringCells101

If a cell stops at the G1 checkpoint, this is most likely due to what problem?

The DNA has not finished replicating.

The chromosomes are not aligned properly.

There is DNA damage.

The cell is cancerous.

There is no problem. The cell normally stops at the G1 checkpoint.

In plant cells, what is responsible for organizing the spindle?

Centrosomes

Centrioles

Microtubules

Asters

Centromeres

The only haploid stage in the animal life cycle is the gamete.

True

False

Which of the following is a correct association?

Cytokinesis-division of the chromosomes

Centromere-forms spindle fibers during prophase

Haploid-having two copies of each chromosome

Sister chromatids-two identical chromosome strands still attached at the centromere

Mitosis-when a cell duplicates and then divides twice to reduce chromosome number by half

The nuclear membrane reappears in mitosis during

Interphase.

Prophase.

Metaphase.

Anaphase.

Telophase.

If their sperm contain 32 chromosomes, how many chromosomes do diploid cells in horses contain?

128

Microtubules found in spindle fibers are capable of assembling and disassembling.

True

False

The formation of sperm is termed

Oogenesis.

Homologous formation.

Spermatogenesis.

Gametogenesis

Mitosis.

Crossing-over is the only factor that is responsible for the variation that exists between offspring of one set of parents.

True

False

In humans, the diploid number of chromosomes is

20.

46.

23.

Variable depending on whether male or female.

92.

Homologous chromosomes are genetically identical to each other.

True

False

The cell cycle consists of

Mitosis and interphase.

Meiosis and interphase.

Prophase and interphase.

Metaphase and interphase.

Changes from a haploid to a diploid state.

Which of the following processes occurs in both mitosis and meiosis?

Homologous chromosomes pair up

Two series of cell divisions

Sister chromosomes separating during the second division

Single chromosomes line up along the metaphase plate

Fertilization restores the diploid number

Which of the following events would be controlled by an external signal?

Cell division

Prophase proceeding into metaphase

The chromosomes aligning at the equatorial plane before the cell begins anaphase

Initiating S phase

All of the answer choices are controlled by an external signal.

The second meiotic division is essentially a mitotic division except for the fact that the cells produced are

Haploid.

Diploid.

Polyploid.

Autosomal.

Somatic.

Mitotic division is the normal process of cell reproduction to build and maintain the body of an organism, while meiosis takes place only in the formation of gametes for reproduction.

True

False

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