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Questions and Answers
According to GLOBOCAN data in 2020, which type of cancer has the highest incidence rate in Vietnam?
According to GLOBOCAN data in 2020, which type of cancer has the highest incidence rate in Vietnam?
- Lung cancer
- Stomach cancer
- Liver cancer (correct)
- Breast cancer
What is the role of meiosis in sexual reproduction?
What is the role of meiosis in sexual reproduction?
- To increase the number of somatic cells.
- To maintain the chromosome number through generations. (correct)
- To allow the organism to directly reproduce
- To create new cells for tissue repair.
During gametogenesis, what is the function of crossing over of chromosomes?
During gametogenesis, what is the function of crossing over of chromosomes?
- To create a identical copy of the original cell.
- To maintain the stability of genetic information.
- To ensure the chromosomes remain intact.
- To create genetic variation in gametes. (correct)
Following chromosome duplication what is the state of chromosomes in interphase?
Following chromosome duplication what is the state of chromosomes in interphase?
Which external factors can affect the process of meiosis?
Which external factors can affect the process of meiosis?
If a somatic cell of an organism has 46 chromosomes (2n = 46), how many chromosomes are present in its sperm cell?
If a somatic cell of an organism has 46 chromosomes (2n = 46), how many chromosomes are present in its sperm cell?
What is the immediate result of meiosis?
What is the immediate result of meiosis?
In applied genetics, what process was used in creating Dolly the sheep?
In applied genetics, what process was used in creating Dolly the sheep?
Which area is NOT an application of animal genetic engineering?
Which area is NOT an application of animal genetic engineering?
Regarding a precious flower, which technique can propagate more identical plants quickly?
Regarding a precious flower, which technique can propagate more identical plants quickly?
Flashcards
Cell Cycle Phases
Cell Cycle Phases
Phase of cell cycle: G1 -> S -> G2 -> M.
Crossing Over
Crossing Over
The process where chromosomes exchange genetic material.
Chromosome Number in Sperm
Chromosome Number in Sperm
Diploid cells (2n = 46 NST) result in 23 NST in a sperm cell.
Cloning Example
Cloning Example
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Shoot Culture
Shoot Culture
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Study Notes
- Cancer is a cancerous tumor.
- The sequence of the intermediate phase of the cell cycle is G1 → S → G2.
- According to GLOBOCAN data in 2020, liver cancer has the highest incidence rate in Vietnam.
- The separation phase is the basis for reproduction; cells die due to errors.
- The process of meiosis in organisms goes through two rounds of cell division.
- The meaning of DNA replication in cells is to stabilize genetic information.
- Cells produce different types of gametes, contributing to the diversity of species.
- DNA replicates in the intermediate phase to form double chromosomes.
- Environmental factors that can affect the meiosis process include temperature and light.
- Phenotype and sex do not affect meiosis.
- The number of chromosomes (2n = 46 chromosomes) in a sperm cell is 23 chromosomes.
- Cloning produces eggs.
- Dolly the sheep is a product of the cloning method.
- Cloning is not part of animal gene technology.
- The first animal cloned by scientists at the Vietnam Institute of Animal Husbandry is a pig.
- Tissue cells that are available can be cloned.
- Cutting is a technique that quickly creates many plant strains.
- Tissue culture is a slow method to grow many plant strains.
- Before the 18th century, people did not fully understand the mechanisms and substances formed during photosynthesis.
- Joseph Priestly's experiment in 1770 marked a turning point in understanding photosynthesis.
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