Mitosis is one type of cell division - Leaving Cert Agricultural Science - Question a - 2014
Question a
Mitosis is one type of cell division.
(i) List the four stages of mitosis in the correct sequence.
(ii) Which stage of mitosis is shown in the diagram below?
(iii) ... show full transcript
Worked Solution & Example Answer:Mitosis is one type of cell division - Leaving Cert Agricultural Science - Question a - 2014
Step 1
List the four stages of mitosis in the correct sequence.
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Answer
Prophase
Metaphase
Anaphase
Telophase
Step 2
Which stage of mitosis is shown in the diagram below?
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Answer
Metaphase
Step 3
Explain what is happening in the stage of mitosis shown below.
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Answer
During metaphase, the chromosomes align in the center of the cell and attach to the spindle fibers, ensuring they can be separated correctly during later stages.
Step 4
Name the other type of cell division.
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Answer
Meiosis
Step 5
What do the letters A.I. stand for?
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Artificial Insemination
Step 6
State one advantage and one disadvantage of A.I. in cattle.
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Advantage: It allows for the selection of superior bulls, leading to better genetics in the herd.
Disadvantage: It may require more labor and skill for heat detection.
Step 7
Possible gametes
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(Y) (Y) (y) (y)
Step 8
F1 genotype
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(Yy)
Step 9
F1 phenotype
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Yellow
Step 10
Genotypes of parents
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(YY) (yy)
Step 11
Genotypes of offspring
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(Yy)
Step 12
Phenotypes of offspring
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Answer
Yellow
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