How is the process of meiosis responsible for variation among species? What mechanisms are involved in the process of meiosis and in which stage(s) do they take place? HINT: What are two important events that happen in meiosis but not mitosis that contribute to genetic diversity?

How is the process of meiosis responsible for variation among species? What mechanisms are involved in the process of meiosis and in which stage(s) do they take place? HINT: What are two important events that happen in meiosis but not mitosis that contribute to genetic diversity?

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter2: Cells And Cell Division

Section: Chapter Questions

Problem 21QP: Which of the following statements is not true in comparing mitosis and meiosis? a. Twice the number...

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Cell Division

Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons:

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How is the process of meiosis responsible for variation among species? What mechanisms are involved
in the process of meiosis and in which stage(s) do they take place? HINT: What are two important events
that happen in meiosis but not mitosis that contribute to genetic diversity?

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List the differences between Prophase of mitosis and Prophase I of meiosis. How do these differences contribute/ lead to genetic variation?
in the expermient of following chromosomal dna movement through meiosis, how many chromosomes were present when meiosis I started? How many nuclei are present at the end of meiosis ll? How many chromosomes are in each? What is the ploidy of the DNA at the end of meiosis l? What about at the end of meiosis ll? How are meiosis l and meiosis ll different? List two reason
Though the stages of meiosis have the same names as the stages of mitosis, they exhibit fundamental differences. What are the main differences between the two processes? Meiosis differs from mitosis in that the number of chromosomes is halved and genetic variation is introduced in meiosis, but not in mitosis Meiosis differs from mitosis in that the number of chromosomes is halved and genetic variation is reduced in meiosis, but not in mitosis. Metaphase and telophase portions of meiosis and mitosis are the same. Meiosis and mitosis are also the same, except for the number of chromosomes. Anaphase I and anaphase are different. Prophase and telophase portions of meiosis and mitosis are the same. Meiosis II and mitosis are also the same and have the same number of chromosomes. Anaphase I and anaphase are different.
During which of the following steps does is genetic diversity produced? Mark all that apply. During prophase of mitosis During prophase I of meiosis During prophase II of meiosis During anaphase I of meiosis During fertilization
In which behaviour of chromosomes do mitosis and meiosis differ from each other? In meiosis, homologous chromosomes lie in pairs but don't cross over; whereas, in mitosis, chromosomes remain separate and undergo crossing overr. In meiosis, homologous chromosomes don’t lie in pairs and don't undergo crossing over; whereas, in mitosis, chromosomes lie in pairs and get crossed over. In mitosis, chromosomes, as a whole, move towards the opposite poles; whereas, in meiosis I, chromatids move towards the opposite poles. In meiosis, homologous chromosomes lie in pairs, and form chiasmata; whereas, in mitosis homologous chromosomes dont undergo synapsis or crossing over.
Which of the following statements does BEST compare the processes of mitosis and meiosis? Group of answer choices Mitosis involves two division cycles and results in haploid gametes, while meiosis consists of one division cycle and results in a diploid daughter cell Mitosis involves two division cycles and results in diploid daughter cells, while meiosis consists of one division cycle and results in haploid gametes. Mitosis involves one division cycle and results in diploid daughter cells, while meiosis consists of two division cycles and results in haploid gametes. Mitosis involves one division cycle and results in haploid gametes, while meiosis consists of two division cycles and results in diploid daughter cells.
What processes contribute to genetic diversity in meiosis? Describe in detail the event that occurs in prophase I.
What processes are responsible for the generation of genetic variation during meiosis, and at what point in meiosis does each occur? Random alignment and separation of homologs that takes place during metaphase I and anaphase I, respectively. Independent assortment of homologous that takes place during anaphase II. Crossing over of non-sister chromatids that take place during prophase I. Replication of DNA during the S phase.
What are some of the key differences between mitosis and meiosis? Select all that apply. Reduction division occurs in meiosis only. Mitosis produces four daughter cells and meiosis only produces two. Gametogensis occurs in mitosis only. Meiosis produces four daughter cells and mitosis only produces two. Mitosis produces cells that are genetically identical to the parent cell whereas meiosis produces cells that only have half the genetic material of the parents. Both Mitosis and meiosis produce cells that are genetically identical to the parent cell.
Which type(s) of cell division (mitosis, meiosis I,meiosis II) reduce(s) the chromosome number byhalf? Which type(s) of cell division can be classifiedas reductional? Which type(s) of cell division can beclassified as equational?
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Draw the distribution of DNA (one set of homologous chromosomes) during meiosis. What happens in Meiosis I (prophase I, Metaphase I, Anaphase I and Telophase I and interkinesis) and in Meiosis II (prophase II, Metaphase II, Anaphase II and Telophase II and interkinesis).