Meiosis in human females
A - VCE - SSCE Biology - Question 3 - 2009 - Paper 1
Question 3
Meiosis in human females
A. involves the separation of homologous chromosomes before DNA replication.
B. relies on contraction of protein fibres in the spindles for... show full transcript
Worked Solution & Example Answer:Meiosis in human females
A - VCE - SSCE Biology - Question 3 - 2009 - Paper 1
Step 1
A. involves the separation of homologous chromosomes before DNA replication.
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Answer
This statement is incorrect because homologous chromosomes separate during anaphase I of meiosis after DNA replication has occurred.
Step 2
B. relies on contraction of protein fibres in the spindles formed within the cells.
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Answer
This statement is partially correct, as meiosis does involve the spindles. However, it is too vague and does not specifically explain the role of spindles in the process.
Step 3
C. results in four gametes for each cell that undergoes the process.
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Answer
This statement is correct. Meiosis in females results in the formation of four haploid gametes, although typically only one of them becomes a functional egg.
Step 4
D. involves haploid cells giving rise to diploid cells.
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Answer
This statement is incorrect. Meiosis produces haploid gametes, which join during fertilization to form a diploid zygote.