A cell that is undergoing meiosis started 6 chromosomes. At the end of meiosis II: 1. How many cells are there? 2. What is the number of chromosomes per cell? 3. Is it haploid or diploid?
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Oogenesis
The formation of the ovum (mature female gamete) from undifferentiated germ cells is called oogenesis. This process takes place in the ovaries (female gonads). Oogenesis consists of three stages known as the multiplication phase, growth phase, and maturation phase.
Cell Division
Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons:
A cell that is undergoing meiosis started 6 chromosomes. At the end of meiosis II:
1. How many cells are there?
2. What is the number of chromosomes per cell?
3. Is it haploid or diploid?
4. Is there replicated chromosomes? (yes/no)
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- Which is more similar to anaphase of mitosis, anaphase 1 or anaphase 2 of meiosis? Why? Group of answer choices 1. anaphase 1 because sister chromatids are being separated 2. anaphase 2 because homologous chromosomes are being separated 3. anaphase 2 because sister chromatids are being separated 4. anaphase 1 because homologous chromosomes are being separatedA cell that is undergoing meiosis started 6 chromosomes. At the end of meiosis I: 1. How many cells are there? 2. What is the number of chromosomes per cell? 3. Is it haploid or diploid? 4. Is there replicated chromosomes? (yes/no)MITOSIS MEIOSIS 1. Haploid cells are produced 2. Crossing over takes place 3. One division 4. Diploid cells 5. Formation of tetrads 6. Somatic cells 7. For sexual reproduction 8.2 daughter cells 9. Two divisions 10.Separation of homologous chromosomes 11.Daughter cels with chromosomes identical to parent cell 12. For repair of damaged tissue 13 Cross-linkage of genes 14 Sex cells 15 Daughter cells not identica to the parent cell O 0 O 0 O OO0 O o o O 0 0 o 0 O O O O O
- 1. In 3 sheets of bond paper, draw the mitosis, meiosis 1 and meiosis 2. 2. Fold each sheet into four and draw the mitosis, meiosis 1 and meiosis 2 on each sheet.'s folds. 3. If the mother cell has 10 chromosomes, draw the stages of mitosis, meiosis 1 and meiosis 2 using blue and red pencils only for the chromosomes.Question 6 of 10 Question 6. Which of the following is a difference between mitosis and meiosis? а. Mitosis occurs in all somatic cells; meiosis does not. b. ytokinesis occurs once in mitosis, but twice in meiosis. С. Mitosis produces diploid cells; meiosis produces haploid cells. d. All of these answers are correct.A scientist working in an IVF (in vitro fertilization) clinic mistakenly produced a human zygote with 45 chromosomes. What biological process could explain how this happened? Group of answer choices failure of an egg to complete meiosis II failure of the egg nucleus to be fertilized by the sperm a non-disjunction in meiotic anaphase occurring in either an egg or sperm incomplete cytokinesis during spermatogenesis after meiosis I 2. When Mendel crossed in his P generation a yellow-seeded and green-seeded pea plants, all the offspring were yellow seeded. When he took these F1 yellow-seeded plants and crossed them with the original yellow-seeded plant from the P generation, what genotypic ratio was expected? Group of answer choices 1:2:1 3:1 1:1:1:1 1:1
- 2. Compare and contrast Mitosis and meiosis by filling it in the following chart. (5.03 CW/HW will help!) What does it create? (identical or unique/ haploid or diploid/ 2 or 4) When does it happen? What types of cells undergo this process? (somatic or gametes) Why does it happen? (repair or reproduction) Which one has crossing over How many rounds of cell division No 1 Mitosis Yes 2 MeiosisWhich statements are true for mitosis? Group of answer choices (pick all that apply) 1. produces identical daughter cells 2. involved in sexual reproduction 3. reduces the number of chromosomes 4. involved in general growth and repair or asexual reproduction 5. produces cells that are almost always genetically different 6. produces diploid somatic cells 7. produces haploid gametesMatch the description with the phase of meiosis. Letters may be used more than once. Homologous chromosomes line up at the equator. 1. prophase I The nuclear membrane 2. metaphase I dissolves around a haploid number of chromosomes. 3. anaphase I Disjunction (separation) of homologous chromosomes 4. telophase I occurs. 5. prophase II Centromeres divide and sister chromatids separate. 6. metaphase | Crossing-over begins. 7. anaphase II 8. telophase II Synapsis occurs. > >
- These pictures represent cells in 2 different phases of meiosis. What are the differences between these 2 cells? Select all correct statements. Group of answer choices 1.in one the sister chromatids are still attached, in the other they are not. 2. following 1, you will get haploid cells but following the other you will still have diploid cells 3. 1 contains homologous pairs the other does not 4. 1 is in anaphase and 1 in metaphase 5. in 1, homologous chromosomes are being pulled apart, in the other sister chromatids are being pulled apartmeiosis mitosis and meiosis mitosis 1. involves two successive nuclear and cell divisions 2. yields haploid daughter cells 3. results in production of four genetically different daughter cells 4. involves chromosome movement and distribution to daughter cells 5. preceded by replication of chromosomes during interphase 6. results in the production of gametes 7. involves pairing of homologous chromosomes and crossing-over 8. results in the production of two genetically identical daughter cellsUse the diagram to identify one similarity and one difference between mitosis and meiosis. Your answer must specifically refer to this diagram. [i.e. say what specific cells in the diagram show the similarity or difference] Mitosis Parent cell Meiosis Parent cell DNA replicates DNA replicates 2 daughter cells 2 daughter cells 4 daughter cells U.S. National Library Medicine (Level 3) МacBook Air DD DII F10 F7 F4 F2 & @ 9. 7 8. 2 3 4 { P Y U W E R J K G D C V option command command .. .. B