What process must occur to the chromosomes immediately before the start of mitosis?
Cambridge IGCSE · Biology (0610)
Mitosis: Practice Questions
5 multiple-choice questions marked as you go, and 5 written questions with worked solutions. All on Mitosis.
In asexual reproduction involving mitosis, what is the genetic relationship between the parent and the offspring?
Why does asexual reproduction result in a population with no genetic variation between the parent and the offspring?
Which process involves mitosis to replace dead or worn-out cells in the human body?
How does the process of mitosis ensure that the chromosome number is maintained in each daughter cell?
In which organelle within a eukaryotic cell are the chromosomes located during the process of mitosis?
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State what must occur to the chromosomes before mitosis begins to ensure each daughter cell receives a full set of genetic material.
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Explain how mitosis ensures that asexual reproduction maintains the features of a species over generations.
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(a) Some organisms, such as strawberry plants, use mitosis to produce runners that grow into new individuals. Identify this method of reproduction and explain its impact on the genetic variety within that specific population.
(b) In a multi-cellular animal, mitosis is used for more than just growth. Describe the specific difference between the repair of damaged tissues and the replacement of cells as roles of mitosis.
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Stem cells are essential for the development and maintenance of a human body.
(a) Describe the ability of stem cells to provide new cells for the body while still maintaining their own population.
(b) Before mitosis can occur, the cell must undergo a process called replication. Explain the significance of replication and describe how the copies of chromosomes are distributed during mitosis to ensure the daughter cells are functional.
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