Having familiarized with the stages of meiosis and the terminologies used to describe this process, identify what is described. 1. It is attached to the centromere of the chromosome that aids in the movement of the chromosomes towards the opposite poles 2. The pair of chromosomes inherited from the mother and the other pair from the father 3. It carries identical chromosomes which carry

Having familiarized with the stages of meiosis and the terminologies used to describe this process, identify what is described. 1. It is attached to the centromere of the chromosome that aids in the movement of the chromosomes towards the opposite poles 2. The pair of chromosomes inherited from the mother and the other pair from the father 3. It carries identical chromosomes which carry

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Description: Having familiarized with the stages of meiosis and the terminologies used to describe this process, identify what is described.1. It is attached to the centromere of the chromosome that aids in the movement of the chromosomes towards the opposite pol

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter3: Transmission Of Genes From Generation To Generation

Section: Chapter Questions

Problem 27QP

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Identify the stages of meiosis described by the following meiotic events/conditions/terms. Write prophase I, metaphase I, anaphase I, telophase I, prophase II, metaphase II, anaphase II, or telophase II. In case the events are found in both stages, write the stages both. 1. Formation of chiasma 2. Each chromatid is considered as full-fledged chromosome. 3. Chromosomes begin to pair off. 4. Spindle microtubules start to attach to the centromere. 5. Tetrads are aligned at the middle of the cell. 6. The sister chromatids separate. 7. Produce 2 haploid daughter cells. 8. The chromosomes line up at the middle of the cell. 9. The sister chromatids move together to the opposite poles. 10. The chromatids reach the poles. 11. The chromosomes in each daughter cell are still duplicated.12. Spindle microtubules attach in the centromere of each haploid daughter cell. 13.
Show the gametes produced by illustrating/ drawing the phases of meiosis (Meiosis 1 and 2) 1. AaBbCcDd
Identify the stages of meiosis described by the following meiotic events/conditions/terms. Write prophase I, metaphase I, anaphase I, telophase I, prophase II, metaphase II, anaphase II, or telophase II. In case the events are found in both stages, write the stages both. 1. Separation of homologous chromosome 2. Four haploid daughter cells are formed.
Given a diploid number of 2N=8 and two crossing-over events, trace the fate of these chromosomes through the stages of meiosis until the formation of daughter cells in meiosis II.
Describe the process of non-disjunction and explain if it matters if it happens during meiosis I or meiosis II.
A diploid (2n) trihybrid individual with the genotype EeFfGg can make eight genetically different gametes. Loci E/e and F/f are on chromosome 1 and locus G/g is on chromosome 2. Explain how a gamete containing the alleles e, f and g may be produced by meiosis. Refer specifically to meiotic events occurring during Prophase I, Metaphase I, Anaphase I and Anaphase II. (NB: remember to refer to the organism above).
What are the major differences between mitosis and meiosis? Explain this both in terms of the different steps of each event and with regards to the final products of each event. Remember to mention the events which are unique to meiosis and why they are significant.
What is the significant events of the stages in Meiosis? (explain in 2-3 sentences)a. Prophase Ib. Metaphase Ic. Anaphase Id. Telophase Ie. Prophase IIf. Metaphase IIg. Anaphase IIh. Telophase II
Describe one function, brought about by the process of meiosis thatspermatogenesis and oogenesis have in common. Please write the similarities between spermatogenesis and oogenesis in a paragraph ratherthan a table. Please discuss the process mentioning differentiation, multiplication anddivision. How many stages of meiosis do they go through. Please mention if haploid ordiploid cells are formed.
Please explain the outcomes of nondisjunction in meiosis one versus nondisjunction in meiosis two, in terms of the effect on the gametes. Please give an example of a defect that results from nondisjunction in meiosis.
Briefly describe nondisjunction in meiosis and identify several potential consequences. In other words, what are the possible outcomes?
Please explain what would be the consequences in successive generations of offspring if the chromosome number were not reduced during meiosis?