Homework Answers
C. Homologous pairs (or tetrads) line up at the metaphase plate. Explanation- In metaphase meiosis I, pairs of homologous chromosomes get aligned on the metaphase plate.
D. Homologous chromosomes form tetrads and where the two homologs touch, synapsis occurs. Explanation- In zygotene stage of Prophase of meiosis I, homologous chromosomes get paired and form tetrads where non-sister chromatids of homologous chromosomes touch each other, which is called synapsis.
F. Homologous pairs of chromosomes are pulled to opposite ends of the cell. Explanation- In Anaphase of meiosis I, homologous chromosomes are separated from each other and start moving towards opposite poles of the cell.
G. Genetic material is exchanged in a process called crossing over, which gives rise to genetically unique daughter cells. Explanation- In pachytene stage of Prophase of meiosis I, crossing over takes place between non-sister chromatids of homologous chromosomes that results in recombination and produces four genetically different gametes/ daughter cells from one parent cell.
H. Division results in the production of four unique haploid cells. Explanation- Meiosis produces 4 haploid gamete cells which are genetically different/unique.
Note: all other options are common to mitosis and meiosis.
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Multiple answer: select all that apply. Which of the following charecteristics of cell division are specific...
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...
Match each description with the appropriate type of cell division. Match each description with the appropriate...
Match each description with the appropriate type of cell division. Match each description with the appropriate type of cell division. The new cells produced are genetically identical to each other and to the original coll During the first nuclear division, sister kinelochores fuse and are attached to the same pole Chromosomes The chromosome Independent condense before they number is reduced from Crossing over occurs assortment of maternal attach to the spindle 2 sets to 1 set and paternal chromosomes Nuclear...
Question 8 10 pts Select all of the events that are unique to meiosis. In other...
Question 8 10 pts Select all of the events that are unique to meiosis. In other words, which events only occur in meiosis? Hint: • Genetic Variation video Compare Mitosis and Meiosis e video Events Unique to Meiosis e video Textbook chapter 11 section 11.1 Attaching of the kinetochore microtubules to the kinetochore. Lining up of chromosomes on the metaphase plate Synapsis of homologous chromosomes. Crossing over Producing recombinant chromosomes Separating of tetrads Pulling of sister chromatids towards opposite sides...
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...
Fill in the blank: 11. A cell with a diploid number of 20, undergoes meiosis. This...
Fill in the blank: 11. A cell with a diploid number of 20, undergoes meiosis. This will produce daughter cells, each with __ _ chromosomes. 12. Crossing over occurs during this phase: 13. Tetrads line up along the equator during this phase: 14. At the end of meiosis I, daughter cells are created. These daughter cells are ( diploid | haploid ). 15. Meiosis creates what type of cell: Fill in the Blank with the proper phase of Meiosis (Interphase...
9-6 M. A. Merritt, 2016 1511 Lab Exercise #9 PROCEDURE 2: Simulation of the stages of...
9-6 M. A. Merritt, 2016 1511 Lab Exercise #9 PROCEDURE 2: Simulation of the stages of Meiosis 1) To simulate synapsis, take the two homologous pairs of lona chromosomos and place one on top of the other. Do the same with the #2, medium length chromosomes and then the # 3 , short chromosomes., Fill in the sketch for PROPHASE 1 below, illustrating synapsis. Even though crossing over occurs in nature, DO NOT add CROSSING OVER to your sketch. After...
Meiosis is composed of two chromosomal division called Meiosis I and Meiosis II. Each of the two...
Meiosis is composed of two chromosomal division called Meiosis I and Meiosis II. Each of the two divisions consists of Prophase, Prometaphase, Metaphase, Anaphase and Telophase and each of these phases is designated I or II according to which division it is a part of. Be sure you know what happens in each phase in regard to the chromosomes, chromatids, spindles and the nuclear envelope. During which phase does synapsis occur and crossing over begin? And in which division, Meiosis I or Meiosis II...
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.
Match the following terms related to the human life cycle. Group of answer choices Haploid -...
Match the following terms related to the human life cycle. Group of answer choices Haploid - Diploid- Gamete- Mitosis- Meiosis- Fertilization- Zygote- Crossing over- Synapsis- Somatic cells- Gonad cell- Karyotype- Matching choices a. ordered display of an organisms chromosomes. b. cell with pairs of homologous chromosomes, 2n c. division of nuclei, ending with two 2n cells d. fusing of egg and sperm e. non-sex cells f.pairing of homologous chromosomes during prophase I g. cell with a single set...
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...
Match each description with the appropriate type of cell division. Match each description with the appropriate type of cell division. The new cells produced are genetically identical to each other and to the original coll During the first nuclear division, sister kinelochores fuse and are attached to the same pole Chromosomes The chromosome Independent condense before they number is reduced from Crossing over occurs assortment of maternal attach to the spindle 2 sets to 1 set and paternal chromosomes Nuclear...
Question 8 10 pts Select all of the events that are unique to meiosis. In other words, which events only occur in meiosis? Hint: • Genetic Variation video Compare Mitosis and Meiosis e video Events Unique to Meiosis e video Textbook chapter 11 section 11.1 Attaching of the kinetochore microtubules to the kinetochore. Lining up of chromosomes on the metaphase plate Synapsis of homologous chromosomes. Crossing over Producing recombinant chromosomes Separating of tetrads Pulling of sister chromatids towards opposite sides...
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...
Fill in the blank: 11. A cell with a diploid number of 20, undergoes meiosis. This will produce daughter cells, each with __ _ chromosomes. 12. Crossing over occurs during this phase: 13. Tetrads line up along the equator during this phase: 14. At the end of meiosis I, daughter cells are created. These daughter cells are ( diploid | haploid ). 15. Meiosis creates what type of cell: Fill in the Blank with the proper phase of Meiosis (Interphase...
9-6 M. A. Merritt, 2016 1511 Lab Exercise #9 PROCEDURE 2: Simulation of the stages of Meiosis 1) To simulate synapsis, take the two homologous pairs of lona chromosomos and place one on top of the other. Do the same with the #2, medium length chromosomes and then the # 3 , short chromosomes., Fill in the sketch for PROPHASE 1 below, illustrating synapsis. Even though crossing over occurs in nature, DO NOT add CROSSING OVER to your sketch. After...
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