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X and Y chromosomes pair and show crossing over during prophase 1.
X and Y chromosomes line up at equatorial plate during metaphase 1.
X and Y chromosomes separate from each other during anaphase 1.
The sister chromatids of X and Y chromosomes separate from each other during anaphase 2.
The behaviour of X and Y chromosomes during meiosis is simply like a pair of homologous chromosomes. They pair with each other only at their tips. This region is called as pseudoautosomal region of Y chromosome.
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In human male cells in meiosis, Select one: a. The X and Y chromosome line up...
Question 34 Not yet answered The Maturation promoting factor (MPF) is a complex formed by a...
Question 34 Not yet answered The Maturation promoting factor (MPF) is a complex formed by a cyclin dependent kinase (CDK) and a cyclin. MPF allows for the transition from G2 to M checkpoint. A mutation preventing the binding of cyclin to CDK will... Points out of 2.50 P Flag question Select one: a. increase in the phosphorylation of the cyclin targets O b. cause uncontrolled cell division and eventually a tumor c. More than one listed option are possible consequences...
The second division of Meiosis resembles the division in Mitosis because....... Select one: a. homologous chromosomes...
The second division of Meiosis resembles the division in Mitosis because....... Select one: a. homologous chromosomes line up double file, in pairs, at metaphase and separate at anaphase. b. it creates two diploid cells. c. replicated chromosomes line up randomly single file in metaphase, and sister chromatids separate at anaphase. d. it occurs in diploid cells.
Strain R of E. coli has an RM system that modifies/cleaves the sequence GAATTC. Sometimes invading...
Strain R of E. coli has an RM system that modifies/cleaves the sequence GAATTC. Sometimes invading phage DNA is methylated by the strain R methylase before the endonuclease can cleave the viral DNA, and then replicates in the methylated form and forms viral particles. If you add some of these viral particles to uninfected bacteria of strain R, what will happen? Select one: a. The invading phage DNA is methylated and thus cleaved by the strain Rendonuclease b. The invading...
Identify the stages of meiosis by filling in the blanks, and then rearrange the sentences to...
Identify the stages of meiosis by filling in the blanks, and then rearrange the sentences to place the stages in the correct order starting with prophase I. Drag the text blocks below into their correct order. anaphase II Sister chromatids separate and are pulled to opposite poles of the cell during www telophase II metaphase wwwwwww Nuclear envelopes reform around two separate haploid nuclei during prophase www Chromosomes line up in pairs along the plate during anaphase Nuclear envelopes reform...
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...
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...
7. During meiosis II, Points: 1 @ sister, chrom sister chromatids of each chromosome are separated...
7. During meiosis II, Points: 1 @ sister, chrom sister chromatids of each chromosome are separated from each other. cytokinesis results in the formation of a total of two cells. (C) homologous chromosomes separate. sister chromatids exchange parts. E) homologous chromosomes pair up. 10 Shown below is a cell under going of meiosis. Points: 1 prophase II telophase telophase II prophase
Question 5 9 pts How is meiosis anaphase I distinctly different from mitosis anaphase? Select all...
Question 5 9 pts How is meiosis anaphase I distinctly different from mitosis anaphase? Select all that apply. Hint • Meiosis Phases Part 2 u video • Textbook chapter 11 section 11.1 During melosis anaphase I the non-kinetochore spindles will separate the chromosomes, while during mitosis anaphase the kinetochore spindles will separate the chromosomes, During melosis anaphase I crossing over will take place, while mitosis anaphase does not contain any crossing over. During meiosis anaphase I the homologous chromosomes will...
8) Draw a single chromosome in anaphase 1 of meiosis I. Label (if present) the centromere...
8) Draw a single chromosome in anaphase 1 of meiosis I. Label (if present) the centromere & sister chromatids. 9) Draw a single chromosome in anaphase II of meiosis II. Label (if present) the centromere & sister chromatids.
Question 34 Not yet answered The Maturation promoting factor (MPF) is a complex formed by a cyclin dependent kinase (CDK) and a cyclin. MPF allows for the transition from G2 to M checkpoint. A mutation preventing the binding of cyclin to CDK will... Points out of 2.50 P Flag question Select one: a. increase in the phosphorylation of the cyclin targets O b. cause uncontrolled cell division and eventually a tumor c. More than one listed option are possible consequences...
Strain R of E. coli has an RM system that modifies/cleaves the sequence GAATTC. Sometimes invading phage DNA is methylated by the strain R methylase before the endonuclease can cleave the viral DNA, and then replicates in the methylated form and forms viral particles. If you add some of these viral particles to uninfected bacteria of strain R, what will happen? Select one: a. The invading phage DNA is methylated and thus cleaved by the strain Rendonuclease b. The invading...
Identify the stages of meiosis by filling in the blanks, and then rearrange the sentences to place the stages in the correct order starting with prophase I. Drag the text blocks below into their correct order. anaphase II Sister chromatids separate and are pulled to opposite poles of the cell during www telophase II metaphase wwwwwww Nuclear envelopes reform around two separate haploid nuclei during prophase www Chromosomes line up in pairs along the plate during anaphase Nuclear envelopes reform...
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...
7. During meiosis II, Points: 1 @ sister, chrom sister chromatids of each chromosome are separated from each other. cytokinesis results in the formation of a total of two cells. (C) homologous chromosomes separate. sister chromatids exchange parts. E) homologous chromosomes pair up. 10 Shown below is a cell under going of meiosis. Points: 1 prophase II telophase telophase II prophase
Question 5 9 pts How is meiosis anaphase I distinctly different from mitosis anaphase? Select all that apply. Hint • Meiosis Phases Part 2 u video • Textbook chapter 11 section 11.1 During melosis anaphase I the non-kinetochore spindles will separate the chromosomes, while during mitosis anaphase the kinetochore spindles will separate the chromosomes, During melosis anaphase I crossing over will take place, while mitosis anaphase does not contain any crossing over. During meiosis anaphase I the homologous chromosomes will...
8) Draw a single chromosome in anaphase 1 of meiosis I. Label (if present) the centromere & sister chromatids. 9) Draw a single chromosome in anaphase II of meiosis II. Label (if present) the centromere & sister chromatids.
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