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Two equatorial plates are formed by the centromeres in
- a)all metaphases
- b)metaphase 2 of meiosis
- c)metaphase of mitosis
- d)metaphase 1 of meiosis
Correct answer is option 'D'. Can you explain this answer?
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Two equatorial plates are formed by the centromeres ina)all metaphases...
Two equatorial plates are formed by centromeres in metaphase 1 of meiosis.
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Two equatorial plates are formed by the centromeres ina)all metaphases...
Metaphase 1 of meiosis
In metaphase 1 of meiosis, homologous chromosomes line up along the equatorial plate in pairs. Each pair consists of one chromosome from the mother and one from the father. The centromeres of each chromosome are positioned on the equatorial plate, forming two equatorial plates due to the pairing of homologous chromosomes.
Explanation:
- During metaphase 1 of meiosis, the homologous chromosomes align at the equatorial plate in a double row.
- The centromeres of each chromosome are attached to spindle fibers and positioned on the equatorial plate.
- The formation of two equatorial plates is a unique characteristic of metaphase 1 of meiosis, as it involves the pairing of homologous chromosomes.
- This alignment ensures proper segregation of chromosomes during meiosis, leading to the formation of haploid gametes with a unique combination of genetic material.
Significance:
- The formation of two equatorial plates in metaphase 1 of meiosis allows for the independent assortment of homologous chromosomes, leading to genetic diversity in offspring.
- This process ensures that each gamete receives a different combination of maternal and paternal chromosomes, increasing genetic variability in sexually reproducing organisms.
- The alignment of homologous chromosomes on the equatorial plate is crucial for the proper distribution of chromosomes during meiosis, ultimately resulting in the formation of genetically diverse haploid cells.
In metaphase 1 of meiosis, homologous chromosomes line up along the equatorial plate in pairs. Each pair consists of one chromosome from the mother and one from the father. The centromeres of each chromosome are positioned on the equatorial plate, forming two equatorial plates due to the pairing of homologous chromosomes.
Explanation:
- During metaphase 1 of meiosis, the homologous chromosomes align at the equatorial plate in a double row.
- The centromeres of each chromosome are attached to spindle fibers and positioned on the equatorial plate.
- The formation of two equatorial plates is a unique characteristic of metaphase 1 of meiosis, as it involves the pairing of homologous chromosomes.
- This alignment ensures proper segregation of chromosomes during meiosis, leading to the formation of haploid gametes with a unique combination of genetic material.
Significance:
- The formation of two equatorial plates in metaphase 1 of meiosis allows for the independent assortment of homologous chromosomes, leading to genetic diversity in offspring.
- This process ensures that each gamete receives a different combination of maternal and paternal chromosomes, increasing genetic variability in sexually reproducing organisms.
- The alignment of homologous chromosomes on the equatorial plate is crucial for the proper distribution of chromosomes during meiosis, ultimately resulting in the formation of genetically diverse haploid cells.
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Two equatorial plates are formed by the centromeres ina)all metaphasesb)metaphase 2 of meiosisc)metaphase of mitosisd)metaphase 1 of meiosisCorrect answer is option 'D'. Can you explain this answer?
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Two equatorial plates are formed by the centromeres ina)all metaphasesb)metaphase 2 of meiosisc)metaphase of mitosisd)metaphase 1 of meiosisCorrect answer is option 'D'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Two equatorial plates are formed by the centromeres ina)all metaphasesb)metaphase 2 of meiosisc)metaphase of mitosisd)metaphase 1 of meiosisCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two equatorial plates are formed by the centromeres ina)all metaphasesb)metaphase 2 of meiosisc)metaphase of mitosisd)metaphase 1 of meiosisCorrect answer is option 'D'. Can you explain this answer?.
Two equatorial plates are formed by the centromeres ina)all metaphasesb)metaphase 2 of meiosisc)metaphase of mitosisd)metaphase 1 of meiosisCorrect answer is option 'D'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Two equatorial plates are formed by the centromeres ina)all metaphasesb)metaphase 2 of meiosisc)metaphase of mitosisd)metaphase 1 of meiosisCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two equatorial plates are formed by the centromeres ina)all metaphasesb)metaphase 2 of meiosisc)metaphase of mitosisd)metaphase 1 of meiosisCorrect answer is option 'D'. Can you explain this answer?.
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