Shown below are photomicrographs of Rhoeo tradescantia cells undergoing meiosis. Answer the following question for each of the photomicrograph: a. Identify the cytogenetic abnormality observed (ex. ring, chain, laggard, bridge) b. Identify the meiotic stage in which these aberrations are observed (as shown in the photomicrograph) c. Explain how these aberrations are formed d. Will this result to sterile or fertile gametes? Explain.

Q: At what stage of mitosis can the kind and number of chromosomes be easily detected and determined?

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A: Meiosis  It is a kind of cell division where the number of chromosome reduced.

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Q: Below is a diploid cell in meiosis. a. How many 'a' alleles are present in Anaphase 1? b. How many…

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Q: The physical cause of the law of independent assortment for genes on the same chromosome is which of…

A: Answer: The answer is E) Separation of homologous chromosomes in Meiosis.        It is known that,…

Q: Consider the following meiocyte in metaphase I. Solid black lines indicate spindle microtubules.…

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Q: Consult Figure 4, which shows the distribution of chromosome segregation for a cell with genotype…

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Q: Assume that during meiosis I none of the C chromosomes disjoin at metaphase, but they separate into…

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Q: Shown below are photomicrographs of Rhoeo tradescantia cells undergoing meiosis. Answer the…

A: Introduction Mitosis is the division of replicated chromosomes into two new nuclei during the cell…

Q: non-disjunction and explain if it matters if it happens during meiosis I or meiosis II.

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Q: n regards to MEIOSIS, give the order of the following events in terms of chromosome number.…

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Q: . A woman with Turner syndrome is found to be colorblind (an X-linked recessive phenotype). Both her…

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Q: Different allele combinations can result from non-disjunction in meiosis I or II respectively.…

A: Introduction Nondisjunction occurs when chromosomes fail to separate, resulting in daughter cells…

Q: Draw a haploid mitosis of the genotype a+ ; b.

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Q: Which statement best describes the diagrams shown? O Diagram A represents meiosis resulting with…

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Q: What does each letter in the crossing over in meiosis represent? The picture below is the example of…

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Q: A) At the end of meiosis I, how many chromosomes are in each cell? B) Are the cells haploid or…

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Q: Please explain the outcomes of nondisjunction in meiosis one versus nondisjunction in meiosis two,…

A: Introduction Meiosis is the reductional division as it involves the formation of 4 daughter cells…

Q: What would be the consequences to the outcome of meiosis if SPO11 is absent? Explain your reason.

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Q: A M m M м M M M m m m B в в B B M M m b b b B B b b

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Q: True or False. Meiosis is responsible for producing the brown structure sen in the picture provided…

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Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.