QUESTION 24 The gametes (eggs or spermatozoa) of a typical animal are: O haploid, with two copies of each homolog (1N,2X) O diploid, with two copies of each homolog (2N,2X) O diploid with one copy of each homolog (2N,1X) O haploid, with one copy of each homolog (1N,1X)
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Q: QUESTION 4 If the haploid number of chromosomes for a cell is 24, there would be 12 chromosomes in…
A: Answer : false
Q: QUESTION 23 I II III IV V VI Figure 10.2 Refer to the drawings in Figure 10.2 of a single pair of…
A: Anaphase is the stage where homologous chromosome separation starts.
Q: What occurs during metaphase phase of mitosis?
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Q: Question 6 What do the structures A and B represent ? Non-homologous chromosomes O Homologous…
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Q: Question 10. In what phase of meiosis is chromosome recombination most common?
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- A sexually reproducing organism has the following phenotype DdEeAaTt: The D and E loci are on the same arm of a metacentric chromosome in cis configuration. The A locus is on the long arm of an acrocentric chromosome and the T locus is on a telocentric chromosome. There are no other chromosomes. 1. What is the haploid number of this organism? 2. Using diagrams, show a cell at metaphase of mitosis and show the results of mitosis. Ensure you show the location of the gene loci on the different chromosomes.TELUPHASE 4 Meiosis is the division of a germ cell involving two fissions of the nucleus and giving rise to four gametes or sex cells, each possess ing half the number of clromosomes of the original cell. Its phases begirning interphase are PROPHASE 1, METAPHASE 1, ANAPHASE , TELOPHASE 1, PROPHASE 2, METAPHASE 2 ANAPHASE 2, and TELOPHASE 2. Easy Level Instructions. Fill in the blanks with needed word/s to complete the concept of each sentence/paragraph. Choose your answer from the word pool below. Write your ans wer in the space provided for. Spindle Checkpoint Cytokinesis G1 Mitosis S Phase Checkpoint G2 Check point G2 M Checkpoint Apoptosis I. A (1) Chck point is a stage in the eukaryotic cell cycle at which the cell examines intemal and external cues and "decides" whether or not to move forward with division. II. There are number of checkpoints, but the three most important ones are: The (2) at the Gl/S transition, the (3): at the G2/M transition and the (4) at the transition from…Picture name - Tradescantia spathacea meiotic cell. HPO (400x)Shown below are photomicrographs of Rhoeo tradescantia cells undergoing meiosis. Answer the following question for each of the photomicrographs: Identify the cytogenetic abnormality observed (ex. ring, chain, laggard, bridge). Identify the meiotic stage in which these aberrations are observed (as shown in the photomicrograph). Explain how these aberrations are formed and relate to the possible causal mutation(s). Will this result to sterile and/or fertile gametes? Explain.
- Select true or false for each of the following statements regarding metaphase I. Homologous chromosomes are connected only at the centromeres. Answertruefalse Homologous chromosomes are aligned at the metaphase plate. Answertruefalse The paternal chromosomes are aligned on one side of the metaphase plate and the maternal chromosomes are aligned at the other. Answertruefalse In a cell with 4 chromosome pairs, there are 16 different ways to align the tetrads. Answertruefalse Homologous chromosomes are independently assorted. AnswertruefalseMatch the letter of the term with its description. Centriole Chromosome Chromatid Diploid DNA Gene Haploid Description makes spindle fibers is the hereditary material in chromosomes a cell containing two complete sets of chromosomes a cell containing a single set of unpaired chromosomes code for a specific trait (e.g. ability to roll the tongue) one of a pair of identical chromosomes formed by the replication of a single chromosome any of several thread-like structures, made of chromatin10:10 E ← sisAndMeiosis.docx FREE EDIT PDF FREE CONVERT PDF TO WORD 2. Why are chromosomes important? 3. How are meiosis I and meiosis II different? 1. What is the state of DNA at the end of meiosis I? What about at the end of meiosis II? 4. Why do you use non-sister chromatids to demonstrate crossing over? 7. Identify two ways that meiosis contributes to genetic recombination. 10. P FREE PDF FILLER 5. What combination of alleles could result from a crossover between BD and bd chromosomes? 8. Why is it necessary to reduce the number of chromosomes in gametes? 6. How many nuclei are present at the end of meiosis II? How many chromosomes are in each? a. Sperm Cell b. Egg Cell AP_5 c. Daughter Cell from Mitosis ON 5G I 9. Blue whales have 44 chromosomes in every cell. Determine how many chromosomes you would expect to find in the following: d. Daughter Cell from Meiosis II COUS ra PAGE 10... FREE CONVERT JPG TO PDF X OeScience Labs, 2016
- A diploid cell undergoes meiosis to form the four gametes shown below. H OHhQq OhQ q Part 1 What is the genotype of the diploid cell? Hq OHHhhQQqq 99 HH H QQ Part 2 Arrange the chromosomes for the diploid cell as they must have lined up during metaphase I of meiosis in order to make the gametes shown above. The vertical dotted line represents the metaphase plate. hh q HH X Q h Q hA sexually reproducing organism has the following phenotype DdEeAaTt: The D and E loci are on the same arm of a metacentric chromosome in cis configuration. The A locus is on the long arm of an acrocentric chromosome and the T locus is on a telocentric chromosome. There are no other chromosomes. Using diagrams, show a cell at metaphase of mitosis and show the results of mitosis. Ensure you show the location of the gene loci on the different chromosomes.11:19 Input page title Re-edit Image Тext Picture Picture 2 Picture 3 Picture 6 Picture 4 Picture 5 Meiosis stage descriptions 7. homologous pairs line up as tetrads along the middle of the cell 8 one of each homologous par reaches the ends of the cell, the cell begins pinching in, and two new nuclear membranes form 9. DNA condenses in two haploid cells, the nuclear membranes disıntegrate 10 sister chromatids spit apart and daughter chromosomes move towards the ends of two cels 11 DNA replication has occured. DNA decondensed in one cel 12 four celis with haif of the genetic material of a body cell result all are different from each other Match the picture or the image with the name of the stage it represents. Use each stage just once for either an image or description E Picture 1 A Earty Interphase Picture 2 B. Late interphase E Picture 3 C Prophase i - Picture 4 D. Metaphase E Anaphase - Picture 5 -v Picture 6 F Telophase - Description 7 v Description 8 - Description 9 G. Interkinesis…
- A sexually reproducing organism has the following phenotype DdEeAaTt. The D and E loci are on the same arm of a metacentric chromosome in the cis configuration. The A locus is on the long arm of an acrocentric chromosome and the T locus is on a telocentric chromosome. There are no other chromosomes. Show a diagram of the cell in metaphase of mitosis and the result of mitosis.Sketch a comparison of Metaphase Mitosis and Metaphase I Meiosis (diploid:8 chromosomes n=4) - Be sure to number the chromosomes and use a “P” for paternal and “M” for maternal.Mitosis Meiosis Definition Prophase Metaphase Anaphase Telophase Prophase I Metaphase I Anaphase I Telophase I Prophase II Metaphase II Anaphase II Telophase II Steps of each phase Number of cell divisions Number of cells produced *How many chromosomes per 46 daughter cell? * Mitosis starts with 46 chromosomes in each parent cell, and then ends with 46 chromosomes in each daughter cell. Cells divide onl once in Mitosis, but they divide twice during Meiosis, so we should end with half as many chromosomes in Meiosis vs Mitosis.
