Explain what the DNA of a chromosome would look like in G1 vs G2 of the...
Explain what the DNA of a chromosome would look like in G1 vs G2 of the cell cycle (for example how many actual strands would be present in G2)
Homework Answers
In G1 each chromosome would have only one strand of DNA which will be doubled in the S phase, so in G2 each chromosome would have two strands of DNA which represent the two sister chromatids of a chromosome. As a diploid cell(2n) contains two sets of chromosomes, if we considered the total number of chromosome in a diploid cell as 46, then in the G2 stage the total number of strands of DNA would be 92.
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Explain what the DNA of a chromosome would look like in G1 vs G2
of the...
Cats are diploid organisms that have 38 chromosomes in their somatic cells during G1 phase. Based...
Cats are diploid organisms that have 38 chromosomes in their somatic cells during G1 phase. Based on this information, answer the following questions about the cell cycle of a cat's somatic cell: a) How many DNA double helix molecules are present in a somatic cell of a cat during G1 phase? Explain your answer. b) How many total DNA double helix molecules are present in a somatic cell of a cat during G2 phase? Explain your answer. c) Describe what...
If you have 200 ng of DNA in the G2 phase of the cell cycle, how...
If you have 200 ng of DNA in the G2 phase of the cell cycle, how much DNA will you have in prophase of mitosis? in prophase I if meiosis? in prophase II of meiosis? in telophase II of meiosis? How many strands (molecules) of DNA are there per chromosome in prophase of mitosis? in prophase I if meiosis? in prophase II of meiosis? in telophase II of meiosis?
1. A Gorilla cell has a total of 24 chromosome pairs during G1 of interphase. If...
1. A Gorilla cell has a total of 24 chromosome pairs during G1 of interphase. If all chromosomes were to replicate, how many total chromatids would that one cell have at the beginning of Anaphase I? 2. A Chimpanzees cell has a total of 24 chromosome pairs during G1 of interphase. If all chromosomes were to replicate, how many total chromosomes would one cell have during Telophase II? 3. A human cell has a total of 23 chromosome pairs during...
A diploid eukaryote organism has 3 unique chromosomes. Chromosome is a metacentric chromosome, chromosome II is...
A diploid eukaryote organism has 3 unique chromosomes. Chromosome is a metacentric chromosome, chromosome II is telocentric chromosome, and chromosome III is a submetacentric chromosome. How many total chromosomes do the somatic cells of this organism have in G1 of cell cycle? How many total chromosomes do the somatic cells of this organism have in G2 of cell cycle? How many total chromosomes are in a germ cell in the ovary of this organism that is in Anaphase of Meiosis...
• In the cell, DNA is duplicated in the G1 phase S phase G2 phase Division...
• In the cell, DNA is duplicated in the G1 phase S phase G2 phase Division stage Which of the following statements is true? Chromatin is more compacted in prophase than during the G2 phase The key even of Sphase is the segregation of sister chromatids • • The mitotic spindle first appears during anaphase The cell increases in size during metaphase Which of the following correctly represents the order of the phases in the cell cycle? Mitosis, S phase,...
Question 11 5 pts Suppose that a cell in G1 contains 14 picograms (pg) of DNA....
Question 11 5 pts Suppose that a cell in G1 contains 14 picograms (pg) of DNA. How many picograms would you expect to find in this same cell during G22 Note that a picogram (pg) is a measured quantity/mass. Think about how the amount of DNA changes as the cell progresses from G1 to G2. Hint: • Cell Cycle and Interchase e video • Textbook chapter 10 section 10.2
4 pts Question 6 There are three checkpoints in the cell cycle. What are their roles?...
4 pts Question 6 There are three checkpoints in the cell cycle. What are their roles? DNA damage G1 Cell size G1 & G2 63 G3 DNA replication G2 & G3 Cell size G2 Chromosome attach to spindle G1 & G2 DNA damage [Choose) G1 G3 G1 & G2 G1 & G3 G2 & G3 G2 Next
DNA Replication occurs in which phase of the cell cycle? S phase G1 phase g2 phase...
DNA Replication occurs in which phase of the cell cycle? S phase G1 phase g2 phase Mitosis Prophase Crossing over occurs during mitosis I prophesy I mitosis II prophesy Mitosis I prophesy
Simulate mitosis by drawing and include the following: Instructions: Set up your cell. The cell you...
Simulate mitosis by drawing and include the following: Instructions: Set up your cell. The cell you start with should be: A diploid cell It should contain 2 homologous pairs of chromosomes (the cell has more chromosome pairs, but we are just looking at 2 of them) It should be in G1 of the cell cycle, before DNA replication occurs Be sure to show 2 genes that are both heterozygous . There should be one gene on each chromosome. Go through...
QUESTION 7 If you inject a G1 cell that contains 36 chromosomes with a G2/M cyclin,...
QUESTION 7 If you inject a G1 cell that contains 36 chromosomes with a G2/M cyclin, what would happen? (hint - look at slide with cell fusion experiments) The G1 cell would complete mitosis with daughter cells that have 18 chromosomes each The G1 cell would enter mitosis but arrest at the spindle checkpoint because the chromosomes were not properly replicated The G1 cell would complete mitosis with daughter cells that have 36 chromosomes each The G1 cell would go...
Cats are diploid organisms that have 38 chromosomes in their somatic cells during G1 phase. Based on this information, answer the following questions about the cell cycle of a cat's somatic cell: a) How many DNA double helix molecules are present in a somatic cell of a cat during G1 phase? Explain your answer. b) How many total DNA double helix molecules are present in a somatic cell of a cat during G2 phase? Explain your answer. c) Describe what...
A diploid eukaryote organism has 3 unique chromosomes. Chromosome is a metacentric chromosome, chromosome II is telocentric chromosome, and chromosome III is a submetacentric chromosome. How many total chromosomes do the somatic cells of this organism have in G1 of cell cycle? How many total chromosomes do the somatic cells of this organism have in G2 of cell cycle? How many total chromosomes are in a germ cell in the ovary of this organism that is in Anaphase of Meiosis...
• In the cell, DNA is duplicated in the G1 phase S phase G2 phase Division stage Which of the following statements is true? Chromatin is more compacted in prophase than during the G2 phase The key even of Sphase is the segregation of sister chromatids • • The mitotic spindle first appears during anaphase The cell increases in size during metaphase Which of the following correctly represents the order of the phases in the cell cycle? Mitosis, S phase,...
Question 11 5 pts Suppose that a cell in G1 contains 14 picograms (pg) of DNA. How many picograms would you expect to find in this same cell during G22 Note that a picogram (pg) is a measured quantity/mass. Think about how the amount of DNA changes as the cell progresses from G1 to G2. Hint: • Cell Cycle and Interchase e video • Textbook chapter 10 section 10.2
4 pts Question 6 There are three checkpoints in the cell cycle. What are their roles? DNA damage G1 Cell size G1 & G2 63 G3 DNA replication G2 & G3 Cell size G2 Chromosome attach to spindle G1 & G2 DNA damage [Choose) G1 G3 G1 & G2 G1 & G3 G2 & G3 G2 Next
DNA Replication occurs in which phase of the cell cycle? S phase G1 phase g2 phase Mitosis Prophase Crossing over occurs during mitosis I prophesy I mitosis II prophesy Mitosis I prophesy
QUESTION 7 If you inject a G1 cell that contains 36 chromosomes with a G2/M cyclin, what would happen? (hint - look at slide with cell fusion experiments) The G1 cell would complete mitosis with daughter cells that have 18 chromosomes each The G1 cell would enter mitosis but arrest at the spindle checkpoint because the chromosomes were not properly replicated The G1 cell would complete mitosis with daughter cells that have 36 chromosomes each The G1 cell would go...
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