what is the significance of the way chromosomes line up in pairs along the midline of...
what is the significance of the way chromosomes line up in pairs along the midline of a cell during metaphase I of meiosis?
Homework Answers
During metaphase l of meosis the chromosomes line up along in the midline of a cell by the homologous pairs line up next to each other, which is called as synapsis. This line up of the chromosome plays an important role as it allows the cell to assemble and then divide the chromatids.
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what is the significance of the way chromosomes line up in pairs
along the midline of...
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...
equation: equation: # of sets: # chromosomes: #pairs: equation after mitosis # of sets: #chromosomes: #pairs:...
equation: equation: # of sets: # chromosomes: #pairs: equation after mitosis # of sets: #chromosomes: #pairs: equation after mitosis _n equation after meiosis I equation after meiosis I _n equation after meiosis II equation after meiosis II How many possible ways for the pairs to arrange themselves in Metaphase I How many possible ways for the pairs to arrange themselves in metaphase I
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)
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...
If an animal has 8 different chromosomes what is the number of chromosomes in a Answer:...
If an animal has 8 different chromosomes what is the number of chromosomes in a Answer: HaploidDiploid 024. If an animal has 14 chromosomes (2n-28), without recombination, how many different gametes can this animal produce? (1 pt) A 14 8 282 274 D. 22 Q25. On the human Karyotype shown here...(6 pts) How many total chromosomes (2n?)? How many pairs of homologs? How many DNA molecules TOTAL? How many pairs of autosomes? Is this from a male or female? Describe...
Consider an organism that has 2 pairs of homologous chromosomes. Draw one of the cells from...
Consider an organism that has 2 pairs of homologous chromosomes. Draw one of the cells from this organism as it would appear during late prophase I and during late metaphase I. What would happen to the gametes, if you treated the cell with Taxol, a drug the blocks spindle fiber formation immediately after meiosis I. Assume that the cell is still able to complete cytokinesis. Female armadillos always give birth to four offspring of the same sex. Suggest a mechanism...
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...
BIOLOGY - Independent assortment and genetic variation
Consider a diploid cell where 2n = 6. During metaphase I of meiosis, as the pairs of homologous chromosomes line up on the metaphase plate, each pair may orient with its maternal or paternal homolog closer to a given pole. There are four equally probable arrangements of the homologous pairs at metaphase I. (Note that this problem assumes that no crossing over has occurred.)The cells below show the eight possible combinations of chromosomes that the daughter cells of meiosis II...
The formation of a bivalent during meiosis ensures that: a.) the sex chromosomes, which are not...
The formation of a bivalent during meiosis ensures that: a.) the sex chromosomes, which are not identical, will line up separately at the metaphase plate during meiosis I. b.) recombination will occur between identical sister chromatids c.) all four sister chromatids remain together until the cell is ready to divide. d.) one chromatid from the mother and one chromatid from the father will segregate together during meiosis I.
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...
equation: equation: # of sets: # chromosomes: #pairs: equation after mitosis # of sets: #chromosomes: #pairs: equation after mitosis _n equation after meiosis I equation after meiosis I _n equation after meiosis II equation after meiosis II How many possible ways for the pairs to arrange themselves in Metaphase I How many possible ways for the pairs to arrange themselves in metaphase I
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)
If an animal has 8 different chromosomes what is the number of chromosomes in a Answer: HaploidDiploid 024. If an animal has 14 chromosomes (2n-28), without recombination, how many different gametes can this animal produce? (1 pt) A 14 8 282 274 D. 22 Q25. On the human Karyotype shown here...(6 pts) How many total chromosomes (2n?)? How many pairs of homologs? How many DNA molecules TOTAL? How many pairs of autosomes? Is this from a male or female? Describe...
Consider an organism that has 2 pairs of homologous chromosomes. Draw one of the cells from this organism as it would appear during late prophase I and during late metaphase I. What would happen to the gametes, if you treated the cell with Taxol, a drug the blocks spindle fiber formation immediately after meiosis I. Assume that the cell is still able to complete cytokinesis. Female armadillos always give birth to four offspring of the same sex. Suggest a mechanism...
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...
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