The diagram shows a cell dividing by mitosis - Leaving Cert Agricultural Science - Question Question 1 - 2018
Question Question 1
The diagram shows a cell dividing by mitosis.
(a)
(i) Name the parts labelled A and B.
(ii) Name the stage of mitosis shown.
(iii) Name the stage of mitosis ... show full transcript
Worked Solution & Example Answer:The diagram shows a cell dividing by mitosis - Leaving Cert Agricultural Science - Question Question 1 - 2018
Step 1
Name the parts labelled A and B.
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Answer
Part A is the Chromatid (or chromosome), and Part B is the Spindle (fibre).
Step 2
Name the stage of mitosis shown.
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Answer
The stage of mitosis shown is Metaphase.
Step 3
Name the stage of mitosis that comes immediately before the stage shown in the diagram.
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Answer
The stage of mitosis that comes immediately before Metaphase is Prophase.
Step 4
What is a clone?
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A clone is a group of genetically identical organisms, meaning a single organism genetically identical to the original organism.
Step 5
Name one crop that may be produced by cloning.
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One crop that may be produced by cloning is Potatoes or Strawberries.
Step 6
Genotypes of parents:
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Genotypes of parents: (RR) (rr)
Step 7
Gametes produced:
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Gametes produced: (R) × (r)
Step 8
Genotype of offspring:
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Genotype of offspring: (Rr)
Step 9
Phenotype of offspring:
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Phenotype of offspring: Round
Step 10
Genotype of parents (self-pollination):
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Genotype of parents: (Rr) (Rr)
Step 11
Possible gametes:
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Possible gametes: (R) (r) (R) (r)
Step 12
Genotypes of offspring:
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Genotypes of offspring: (RR) (Rr) (Rr) (rr)
Step 13
Phenotypes of offspring:
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Answer
Phenotypes of offspring: Round and Wrinkled
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