A General Meiosis Trivia Quiz!

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Questions: 23 | Attempts: 12,967 | Updated: Oct 8, 2024

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Welcome to a general meiosis trivia quiz. Meiosis is generally identified as the process through which the cells divide into four parts, where the four cells have half the genetic makeup as the original cell. In the human process, these cells are the sperm and the ovum. The quiz below is a self-assessment test that is designed to help you better understand the process and what it entails. Give it a shot and keep revising on the topic.

Questions and Answers

1.

Name this phase.

Explanation
Prophase 1 is the first phase of meiosis, which is a type of cell division that occurs in sexually reproducing organisms. During prophase 1, the chromosomes condense and pair up with their homologous partners, forming structures called bivalents or tetrads. This pairing allows for the exchange of genetic material between the homologous chromosomes through a process called crossing over. Prophase 1 is a crucial phase for genetic diversity as it leads to the shuffling and recombination of genes, resulting in unique combinations of genetic traits in offspring.

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2.

What are the pairs of chromosomes known as?

Explanation
Homologous chromosomes are pairs of chromosomes that have the same genes at the same loci, one coming from each parent. They are similar in length, shape, and carry genetic information for the same traits. Tetrad refers to a group of four chromatids that are formed during meiosis when homologous chromosomes pair up. Tetrads are important for the exchange of genetic material through a process called crossing over. Therefore, homologous chromosomes, tetrad, and tetrads are all terms used to describe pairs of chromosomes.

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4 19
3.

Is this cell diploid or haploid?

Explanation
This cell is diploid because it contains two complete sets of chromosomes, one from each parent. In diploid cells, the chromosomes are present in pairs, with one chromosome from each pair coming from the mother and the other from the father. This allows for genetic diversity and the ability to undergo sexual reproduction.

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7
4 1
4.

The process of the chromosomes overlapping and switching genetic information is known as?

Explanation
Crossing-over, also known as genetic recombination, is the process in which chromosomes exchange genetic material during meiosis. This process occurs between homologous chromosomes and leads to the creation of new combinations of genes. It is an important mechanism for genetic diversity and plays a crucial role in evolution. The term "crossing-over" and its variation "crossing over" are both used to describe this process.

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4 0
5.

Name this phase.

Explanation
Metaphase 2 is the second stage of meiosis, a process of cell division that occurs in sexual reproduction. During metaphase 2, the chromosomes line up at the equator of the cell and spindle fibers attach to the centromeres of each chromosome. This alignment ensures that each daughter cell will receive the correct number of chromosomes during division. Therefore, the correct answer for this question is "Metaphase 2".

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4 17
6.

What is the structure labeled "a"?

Explanation
The structure labeled "a" is the centrosome, which contains a pair of centrioles. The centrosome plays a crucial role in cell division, as it helps in the formation of the mitotic spindle and the separation of chromosomes during mitosis. The centrioles, found within the centrosome, are involved in organizing microtubules and are important for cell division and the maintenance of cell shape. Therefore, the correct answer is centrosome, centrioles.

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7.

Is this cell diploid or haploid?

Explanation
The given answer "Haploid" is correct because haploid refers to a cell or organism that has a single set of chromosomes. In contrast, diploid cells have two sets of chromosomes. Therefore, based on the information provided, we can conclude that the cell in question is haploid.

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8.

Name this phase.
9.

What is the structure labeled "b"?

Explanation
The structure labeled "b" is the nuclear envelope, also known as the nuclear membrane. This double membrane surrounds the nucleus of eukaryotic cells and separates it from the cytoplasm. It consists of an inner and outer membrane with a narrow space in between called the perinuclear space. The nuclear envelope plays a crucial role in regulating the movement of molecules in and out of the nucleus, thus maintaining the integrity and function of the genetic material within the nucleus.

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4 14
10.

Is structure "b" appearing or disappearing?

Explanation
The structure "b" is appearing.

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3
4 3
11.

Is this cell diploid or haploid?

Explanation
The given answer is "Haploid" because haploid refers to a cell that contains only one set of chromosomes. In other words, it has half the usual number of chromosomes found in a diploid cell. This can occur in certain reproductive cells, such as sperm and egg cells, where the fusion of two haploid cells during fertilization results in a diploid zygote. Therefore, based on the information provided, the cell in question is haploid.

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4
4 1
12.

What process happens after this phase?

Explanation
After the phase of cytokinesis, the cytoplasm of the cell divides into two daughter cells. This process is essential for the completion of cell division and ensures that each daughter cell receives a complete set of genetic material. Cytokinesis follows the separation of the duplicated chromosomes during mitosis or meiosis, and it varies depending on the type of cell. In animal cells, a cleavage furrow forms, and the cell membrane pinches inwards, eventually dividing the cell into two. In plant cells, a cell plate forms in the middle of the cell, which develops into a new cell wall, separating the two daughter cells.

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4 1
13.

Name this phase.

Explanation
Anaphase 1 is a phase of cell division called meiosis. During this phase, the homologous chromosomes separate and move towards opposite poles of the cell. This ensures that each resulting cell will have a unique combination of chromosomes. Anaphase 1 is crucial for the formation of gametes and genetic diversity.

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14.

What is being separated in this phase?

Explanation
In this phase, homologous chromosomes and tetrads are being separated. Homologous chromosomes are pairs of chromosomes that contain the same genes, one from each parent. Tetrads, also known as bivalents, are formed when homologous chromosomes pair up during meiosis. The separation of homologous chromosomes and tetrads is a crucial step in meiosis, as it ensures that each resulting gamete receives only one copy of each chromosome.

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4 7
15.

Name this phase.

Explanation
Anaphase 2 is the phase of cell division where the sister chromatids, which were separated during anaphase 1, are further pulled apart towards opposite poles of the cell. This is facilitated by the shortening of microtubules and the contraction of the spindle fibers. At the end of anaphase 2, the chromosomes are fully separated and ready to be enclosed in separate nuclei during telophase 2.

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16.

What is being separated in this phase?

Explanation
In this phase, sister chromatids, chromosomes, and chromatids are being separated. Sister chromatids are identical copies of a chromosome that are held together by a centromere. Chromosomes are structures made up of DNA and proteins that contain genetic information. Chromatids are the two identical halves of a replicated chromosome. During this phase, the sister chromatids are separated and pulled to opposite ends of the cell, ensuring that each new cell receives a complete set of chromosomes.

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4 2
17.

Name this phase.

Explanation
Metaphase 1 is a phase in meiosis where homologous chromosomes align along the equatorial plane of the cell. This alignment occurs in pairs, with one chromosome from each homologous pair on either side. The purpose of this phase is to ensure that each resulting daughter cell receives a complete set of chromosomes. The correct answer, "Metaphase 1," accurately identifies this specific phase in meiosis.

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4
18.

Name this phase if structure "e" is disappearing.

Explanation
In Prophase 2 of meiosis, the nuclear envelope breaks down, and the chromosomes condense. The disappearance of structure "e" in this phase could be referring to the dissolution of the nucleolus, which is a distinct structure within the nucleus. During Prophase 2, the nucleolus disappears as the nuclear envelope disintegrates, allowing the chromosomes to become more visible. Therefore, the correct answer is Prophase 2.

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19.

Is this cell diploid or haploid?

Explanation
This cell is haploid because it contains only one set of chromosomes. In haploid cells, the chromosomes are not paired, and they have half the number of chromosomes compared to diploid cells. Haploid cells are commonly found in reproductive cells, such as sperm and eggs, where they combine during fertilization to form a diploid zygote.

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20.

Name this phase if structure "f" is appearing.

Explanation
Telophase 1 is the correct answer because during this phase of meiosis, the chromosomes have already separated and are now located at opposite poles of the cell. The nuclear envelope starts to reform around each set of chromosomes, and the cell undergoes cytokinesis, resulting in the formation of two daughter cells. Since the question mentions the appearance of structure "f," it implies that this structure is characteristic of Telophase 1.

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21.

What process happens after this phase?

Explanation
After the phase of cytokinesis, the process that occurs is the division of the cytoplasm and the formation of two separate daughter cells. This is the final stage of cell division, following the separation of the replicated chromosomes during mitosis or meiosis. Cytokinesis ensures that each daughter cell receives a complete set of genetic material and necessary cell organelles, allowing them to function independently.

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4 2
22.

What is the role of structure "d"? (the spindle fibers)
- A.
  
  Pull apart the sister chromatids
- B.
  
  Move centrioles
- C.
  
  Pull apart the chromosomes
Correct Answer
C. Pull apart the chromosomes

Explanation
The role of structure "d" (the spindle fibers) is to pull apart the chromosomes during cell division. These fibers attach to the centromere of each chromosome and exert force to separate the sister chromatids, ensuring that each new cell receives a complete set of chromosomes. The movement of the spindle fibers helps in the proper distribution of genetic material and ensures the formation of two genetically identical daughter cells.

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1
23.

"c" is pointing to the location where the protein strands that connect the centrosomes to the centromeres would be. What are these called?

Correct Answer
Spindle fibers, Spindles

Explanation
The correct answer is Spindle fibers, Spindles. The question is asking for the name of the protein strands that connect the centrosomes to the centromeres. These protein strands are called spindle fibers or spindles.

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