Homework Answers
chromosomes will fail to separate properly, this is called nondisjunction. This can happen either during meiosis I or meiosis II.
If nondisjunction occurs during anaphase I of meiosis I, this means that at least one pair of homologous chromosomes did not separate.
The end result is two cells that have an extra copy of one chromosome and two cells that are missing that chromosome.
In humans, n + 1 designates a cell with 23 chromosomes plus an extra copy of one for a total of 24 chromosomes. n - 1 designates a cell missing a chromosome for a total of only 22 chromosomes in humans.
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Question 6 1 pts What would happen at the end of meiosis lif the homologous chromosomes...
Homologous chromosomes pair along their length during prophase 1 of meiosis.
Question 36 Homologous chromosomes pair along their length during prophase 1 of meiosis. While two homologues are paired, genetic exchange may occur between them in a process called _______ syngamy nondisjunction independent assortment crossing over Question 37 At the end of meiosis II, there are _______ 2 haploid daughter cells that are genetically different 4 haploid daughter cells that are genetically identical 4 haploid daughter cells that are genetically different 2 diploid daughter cells that are genetically identical 4 diploid daughter cells that are genetically differentQuestion 38 When do homologous chromosomes separate from...
1. Draw TWO PAIRS of metacentric homologous chromosomes as they would appear, if they could be...
1. Draw TWO PAIRS of metacentric homologous chromosomes as they would appear, if they could be seen, during of the cell cycle. Indicate centromeres with a small circle. For one pair of homologs, place the allele on one chromosome and the allele a on the other chromosome. For the other pair of homologs place the allele on one chromosome and the alleleb on the other chromosome. 2. Draw the same chromosomes as they would appear at the end of prophase...
alagy and Early Develapment Leberatory 2. Identify Homologous Chromosomes and Sister Chromatids in appropriate phases. What...
alagy and Early Develapment Leberatory 2. Identify Homologous Chromosomes and Sister Chromatids in appropriate phases. What are homologous chromosomes? Are they present in all cells? If not, which cells lack homologous chromosomes? Are they present in all stages of mitosis? Are they present in all stages of Meiosis 1? Meiosis II? How do the terms haploid and diploid relate to the presence/absence of homologous chromosomes? What are sister chromatids? During what phase of the cell cycle do sister chromatids form?...
Match the event with the correct phase of MEIOSIS [Choose) Tetrads of homologous chromosomes align on...
Match the event with the correct phase of MEIOSIS [Choose) Tetrads of homologous chromosomes align on the middle plane of the cell. The orientation of the tetrads on the middle plane is random. < Homologous chromosomes separate; move to opposite poles. [Choose ] < [Choose] Homologous chromosomes associate, crossing over occurs, chromosomes condense. < Two cells formed; each has one of each duplicated chromosome. [Choose ] Four cells formed; each cell has one of each unduplicated chromosome. [Choose) [Choose ]...
Fill in the blank: 11. A cell with a diploid number of 20, undergoes meiosis. This...
Fill in the blank: 11. A cell with a diploid number of 20, undergoes meiosis. This will produce daughter cells, each with __ _ chromosomes. 12. Crossing over occurs during this phase: 13. Tetrads line up along the equator during this phase: 14. At the end of meiosis I, daughter cells are created. These daughter cells are ( diploid | haploid ). 15. Meiosis creates what type of cell: Fill in the Blank with the proper phase of Meiosis (Interphase...
1. A diploid cell with two pairs of chromosomes is undergoing meiosis. Draw this cell as...
1. A diploid cell with two pairs of chromosomes is undergoing meiosis. Draw this cell as it would appear during metaphase I. Then draw one of the daughter cells as it would appear during anaphase II. (8 points)
3. In the table below, indicate whether the process true for mitosis, meiosis or in both....
3. In the table below, indicate whether the process true for mitosis, meiosis or in both. (10 pts) + Mitosis Meiosis Both 1 There are two rounds of division in the process 2 Four total cells are produced. Duplicated chromosomes separate during the process 4 DNA is synthesis takes place during interphase 5 At the end of the process, the chromosome number is the same as the parent cell 6 The process produces cells that are different from the original...
When does the separation of homologous chromosomes occur? • O A. Meiosis 2 • O B....
When does the separation of homologous chromosomes occur? • O A. Meiosis 2 • O B. Before Meiosis • . C. Meiosis 1 D. After Meiosis Reset Selection If a cell has 24 pairs of chromosomes in its diploid state, how many chromosomes will it have after Meiosis 2? • • • • A. 24 B. 12 C. 48 D.6 Dan What structure is responsible for separating the chromosomes during Meiosis? A. Spindle Fibers B. Cytoplasm C. Metaphase plate •...
Simulate meiosis by drawing One pair of chromosomes and no crossing over Instructions: Set up your...
Simulate meiosis by drawing One pair of chromosomes and no crossing over Instructions: Set up your cell. The cell you start with should be: A diploid cell It should contain 1 pair of homologous chromosomes It should be in G1 of the cell cycle, before DNA replication occurs Be sure to show 2 genes that are both heterozygous . Go through the steps of meiosis. Be sure to show and label these in your pictures: Label homologous chromosomes and sister...
please solve this asap thank you so much 1 Draw out the phases of meiosis for...
please solve this asap thank you so much
1 Draw out the phases of meiosis for a (2n=4) germ line cell: Use red and blue to indicate ate the two sets of chromosomes aleat There should be two throughout the various phases-red will represent the maternal set and blue will represent the paterials alternate scenarios for how the homologous pairs could alian during metaphase. When applicable, bus pairs could alian during metaphase. When applicable, all of the phase drawings (pre-...
1. Draw TWO PAIRS of metacentric homologous chromosomes as they would appear, if they could be seen, during of the cell cycle. Indicate centromeres with a small circle. For one pair of homologs, place the allele on one chromosome and the allele a on the other chromosome. For the other pair of homologs place the allele on one chromosome and the alleleb on the other chromosome. 2. Draw the same chromosomes as they would appear at the end of prophase...
alagy and Early Develapment Leberatory 2. Identify Homologous Chromosomes and Sister Chromatids in appropriate phases. What are homologous chromosomes? Are they present in all cells? If not, which cells lack homologous chromosomes? Are they present in all stages of mitosis? Are they present in all stages of Meiosis 1? Meiosis II? How do the terms haploid and diploid relate to the presence/absence of homologous chromosomes? What are sister chromatids? During what phase of the cell cycle do sister chromatids form?...
Match the event with the correct phase of MEIOSIS [Choose) Tetrads of homologous chromosomes align on the middle plane of the cell. The orientation of the tetrads on the middle plane is random. < Homologous chromosomes separate; move to opposite poles. [Choose ] < [Choose] Homologous chromosomes associate, crossing over occurs, chromosomes condense. < Two cells formed; each has one of each duplicated chromosome. [Choose ] Four cells formed; each cell has one of each unduplicated chromosome. [Choose) [Choose ]...
Fill in the blank: 11. A cell with a diploid number of 20, undergoes meiosis. This will produce daughter cells, each with __ _ chromosomes. 12. Crossing over occurs during this phase: 13. Tetrads line up along the equator during this phase: 14. At the end of meiosis I, daughter cells are created. These daughter cells are ( diploid | haploid ). 15. Meiosis creates what type of cell: Fill in the Blank with the proper phase of Meiosis (Interphase...
1. A diploid cell with two pairs of chromosomes is undergoing meiosis. Draw this cell as it would appear during metaphase I. Then draw one of the daughter cells as it would appear during anaphase II. (8 points)
3. In the table below, indicate whether the process true for mitosis, meiosis or in both. (10 pts) + Mitosis Meiosis Both 1 There are two rounds of division in the process 2 Four total cells are produced. Duplicated chromosomes separate during the process 4 DNA is synthesis takes place during interphase 5 At the end of the process, the chromosome number is the same as the parent cell 6 The process produces cells that are different from the original...
When does the separation of homologous chromosomes occur? • O A. Meiosis 2 • O B. Before Meiosis • . C. Meiosis 1 D. After Meiosis Reset Selection If a cell has 24 pairs of chromosomes in its diploid state, how many chromosomes will it have after Meiosis 2? • • • • A. 24 B. 12 C. 48 D.6 Dan What structure is responsible for separating the chromosomes during Meiosis? A. Spindle Fibers B. Cytoplasm C. Metaphase plate •...
please solve this asap thank you so much
1 Draw out the phases of meiosis for a (2n=4) germ line cell: Use red and blue to indicate ate the two sets of chromosomes aleat There should be two throughout the various phases-red will represent the maternal set and blue will represent the paterials alternate scenarios for how the homologous pairs could alian during metaphase. When applicable, bus pairs could alian during metaphase. When applicable, all of the phase drawings (pre-...
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