Draw the chromosomes of a cell with genotype AaBBCc in prophase I of meiosis before synapsis...
Draw the chromosomes of a cell with genotype AaBBCc in prophase I of meiosis before
synapsis and crossing over. Cell details: 2n=4 and the A and B loci or on one homologous pair
and the C locus is on a different homologous pair. Why this would be important? Explain
Homework Answers
This is important because as two genes A and B are located on the same chromosome, there is chance of linkage if they are close to each other. If the loci for A and B gene are far apart then only crossing over will result in a new recombinant.
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Draw the chromosomes of a cell with genotype AaBBCc in prophase
I of meiosis before
synapsis...
Crossing-Over in Meiosis Meiosis is a process of nuclear division that reduces the number of chromosomes...
Crossing-Over in Meiosis Meiosis is a process of nuclear division that reduces the number of chromosomes in new cells to half the number in the original cell. The parent cell is diploid (2n), and it begins meiosis with a replicated set of chromosomes. During meiosis, this parent cell Homologou will divide twice to create four haploid (1n) cells. pairs During prophase I of meiosis I, homologous pairs of chromosomes pair up and stick together to form tetrads through the process...
Generating. A cell is 2n = 4 and will soon go through meiosis I and meiosis...
Generating. A cell is 2n = 4 and will soon go through meiosis I and meiosis II, to become four genetically distinct haploid cells. Draw and label all the stages (prophase I, metaphase II, etc.) and the location/distribution of chromosomes using red and blue colors for the chromosomes in cach stage. In at least one of the homologous pairs, show crossing over using two different alleles of your choice. (15 points)
The genotype is EeFf, please include 2. A cell begins meiosis with Prophase I. ASSUME NO...
The genotype is EeFf, please include
2. A cell begins meiosis with Prophase I. ASSUME NO CROSSOVERS OCCURRED IN PROPHASE I. The cell then enters Metaphase I. Draw the chromosomes inside a cell (include the alleles!) as they would align in Metaphase of Meiosis I. There is more than one correct answer (just draw one). 3. Using your picture above, draw the chromosomes during Anaphase I.
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...
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...
Simulate meiosis by drawing Two pairs of chromosomes with crossing over Assume that two of the...
Simulate meiosis by drawing Two pairs of chromosomes with crossing over Assume that two of the genes are on chromosome 1, and one of the genes is on chromosome 2. Allow crossing over to occur between the two genes on the same chromosome. Also, are there multiple ways that the chromosomes could segregate to produce different results? Show them. Instructions: Set up your cell. The cell you start with should be: A diploid cell It should contain 2 pairs of...
Match the following terms to the correct definition Match the following terms to the correct definition. 1. term used t...
Match the following terms to the correct definition
Match the following terms to the correct definition. 1. term used to describe the double stranded chromosomes present after DNA replication alleles A. cell division that results in the formation of B 4 cells each containing haploid number of chromosomes crossing over division of the cytoplasm type of cell division that results in the formation of 2 daughter cells genetically identical to parent cell pairing of homologous sister chromatids during prophase I...
underers meiosis, how many cells will result, 12) If a eukaryotic cell has 20 chromosomes and...
underers meiosis, how many cells will result, 12) If a eukaryotic cell has 20 chromosomes and and how many chromosomes will they contain? A) 4 cells, each with 20 chromosomes B) 4 cells, each with 10 chromosomes C) 2 cells, each with 10 chromosomes D) 2 cells, each with 20 chromosomes Answer: 13) Crossing over occurs during which stage of meiosis? A) telophase I B) metaphase II C) anaphase II D) prophase II E) prophase I Answer: 14) Which of...
3) A cell in prophase II of meiosis contains 12 chromosomes. How many chromosomes would be...
3) A cell in prophase II of meiosis contains 12 chromosomes. How many chromosomes would be present in a cell from the same organism if it were in prophase of mitosis? Prophase I of Meiosis?
4. Complete the following table. Mitosis Meiosis MitosisMeiosis Synapsis (Yes or no Crossing over (When) Anaphase...
4. Complete the following table. Mitosis Meiosis MitosisMeiosis Synapsis (Yes or no Crossing over (When) Anaphase I results When do centromeres divide No. of divisions No. of cells resulting Anaphase II results No. of chromosomes in daughter cells Assume cell divisions are occurring on the arrows in this gen- eralized plant life cycle. Show where mitosis and meiosis occur. 5. Multicellular diploid plant Spore Multicellular haploid plant Starting with a diploid cell (A) that has 2 homologous chromo- somes (2N-2),...
Crossing-Over in Meiosis Meiosis is a process of nuclear division that reduces the number of chromosomes in new cells to half the number in the original cell. The parent cell is diploid (2n), and it begins meiosis with a replicated set of chromosomes. During meiosis, this parent cell Homologou will divide twice to create four haploid (1n) cells. pairs During prophase I of meiosis I, homologous pairs of chromosomes pair up and stick together to form tetrads through the process...
Generating. A cell is 2n = 4 and will soon go through meiosis I and meiosis II, to become four genetically distinct haploid cells. Draw and label all the stages (prophase I, metaphase II, etc.) and the location/distribution of chromosomes using red and blue colors for the chromosomes in cach stage. In at least one of the homologous pairs, show crossing over using two different alleles of your choice. (15 points)
The genotype is EeFf, please include
2. A cell begins meiosis with Prophase I. ASSUME NO CROSSOVERS OCCURRED IN PROPHASE I. The cell then enters Metaphase I. Draw the chromosomes inside a cell (include the alleles!) as they would align in Metaphase of Meiosis I. There is more than one correct answer (just draw one). 3. Using your picture above, draw the chromosomes during Anaphase I.
Match the following terms to the correct definition
Match the following terms to the correct definition. 1. term used to describe the double stranded chromosomes present after DNA replication alleles A. cell division that results in the formation of B 4 cells each containing haploid number of chromosomes crossing over division of the cytoplasm type of cell division that results in the formation of 2 daughter cells genetically identical to parent cell pairing of homologous sister chromatids during prophase I...
underers meiosis, how many cells will result, 12) If a eukaryotic cell has 20 chromosomes and and how many chromosomes will they contain? A) 4 cells, each with 20 chromosomes B) 4 cells, each with 10 chromosomes C) 2 cells, each with 10 chromosomes D) 2 cells, each with 20 chromosomes Answer: 13) Crossing over occurs during which stage of meiosis? A) telophase I B) metaphase II C) anaphase II D) prophase II E) prophase I Answer: 14) Which of...
4. Complete the following table. Mitosis Meiosis MitosisMeiosis Synapsis (Yes or no Crossing over (When) Anaphase I results When do centromeres divide No. of divisions No. of cells resulting Anaphase II results No. of chromosomes in daughter cells Assume cell divisions are occurring on the arrows in this gen- eralized plant life cycle. Show where mitosis and meiosis occur. 5. Multicellular diploid plant Spore Multicellular haploid plant Starting with a diploid cell (A) that has 2 homologous chromo- somes (2N-2),...
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