The diagram shows a nucleus of a diploid cell undergoing one stage of mitosis - Leaving Cert Biology - Question 3 - 2021
Question 3
The diagram shows a nucleus of a diploid cell undergoing one stage of mitosis. Answer the following in relation to mitosis.
(a) Name the stage of mitosis shown in t... show full transcript
Worked Solution & Example Answer:The diagram shows a nucleus of a diploid cell undergoing one stage of mitosis - Leaving Cert Biology - Question 3 - 2021
Step 1
Name the stage of mitosis shown in the diagram.
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Answer
Anaphase.
Step 2
Justify your answer at part (a) above.
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Answer
The spindle (or X) is shortening, causing the chromosomes to be pulled apart, moving towards the poles of the cell.
Step 3
Identify the part labelled X in the diagram.
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Answer
Spindle.
Step 4
Explain the term diploid.
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Answer
Diploid refers to having two copies of each chromosome in the nucleus, meaning the presence of pairs or two sets of chromosomes.
Step 5
What is the diploid number of this cell?
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Answer
Four.
Step 6
Outline one function of mitosis in humans.
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Growth or repair tissue or replace tissue (cells).
Step 7
Give one example of a human cell not produced by mitosis.
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Sperm or egg cell or gamete or sex cell.
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