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Which of the following stages would consist of duplicated chromosomes?
only after G2
all stages of interphase
only after prophase starts
G2
Step by step
Solved in 3 steps
- A) Quiescent Anaphase Telophase Telophase phase Metaphase Prometaph The maternal and paternal chromosomes of each homologous pair separate and reach the poles of the cell, nuclear envelopes form around them, and cytokinesis follows to produce daughter cells.Which of the following marks an important event during telophase? movement of chromosomes at the metaphase plate nuclear envelope starts to reappear movement of chromosomes at the opposite poles Ochromosome condensationIndependent assortment occurs mainly during which phase? Prophase I Metaphase I Prophase II Metaphase II
- Which of the following marks an important event during telophase? O nuclear envelope starts to reappear movement of chromosomes at the opposite poles O movement of chromosomes at the metaphase plate chromosome condensation оооWhich of the following is NOT correct answer about telophase of mitosis: The mitotic spindle is formed in this phase Two new nuclei form, and two sets of chromosomes Nuclear membrane and nucleoid reappear in this phase The enzyme aminoacyl TRNA synthetase charges the TRNA molecules with the correct amino acids FRNA molecules with the correct amino acids MRNA molecules with the correct amino acidsTELOPHASE This stage shows the end of Telophase AFTER cytokinesis has occurred • Nuclear membrane reformed in each cell • Nucleolus reformed in each cell • Centrioles present in cells at one end Two new daughter cells with same # of chromosomes: 46 single stranded chromosomes in each nucleus Daughter Cell Diploid cell 2n = Daughter cell Diploid cell 2n =
- Prophase I Metaphase I Anaphase I Telophase 1 + Cytokinesis Prophase II Metaphase II Anaphase II Telophase II + Cytokinesis TI +cytokinesis MI AI A: TI PTT AI PI homologous chromosomes line up in the center of the cell spindle fibers pull homologous pairs apart to ends of the cell 4 haploid (1N) daughter cells form sister chromatids separate from each other 2 haploid (1N) daughter cells form nuclear membrane dissolves in these haploid (1N) cells individual chromatids move to each end of the cell crossing-over (if any) occurs 44. What is a zygote? Diploid cell formed by the fusion of 2 haploid gametes during tabilization 45. How does sexual reproduction (fertilization) increase diversity of a species? 46. What is a karyotype? Chromosomes found in cells, systematic arrangement acendy to size, shape 47. What is the difference between autosomes and sex chromosomes? Not involved in determing sex 48. What can sex chromosomes usually determine? 49. a. What is "trisomy" and "monosomy"?…Cell growth and cell division use a checkpoint at a certain stage of the process. What would be he consequence(s) of a defective checkpoint if the spindle fiber fails to attach to the sister chromatid during meiosis?Which phase is described below? The chromosomes condense, Each is made of two sister chromatids,(looks) like an "X" Each sister is a clone, the closest of kin, And acentromere connects them like siamese twinsThe nucleolus disappears it melts away, as the cell takes a ribosomeproduction holiday, the centrosomes separate, start spindle formationfor separating chromatids and cell elongation.
- The checkpoint permits cell entry into mitosis only if all DNA is replicated.* Start APC/C G2/M G1/S A hydrogen atom is sometimes referred to as a proton because O It is positively charged It is negatively charged It has just one proton It has just one electron How many chromosomes are in a human sex cell right after meiosis I? * O 46 O 23 92 4 Which protein family is responsible for facilitating the process of programmed cell death that is activated in cells with significant DNA damage? * O Separase OCaspase Cdk-cyclin OShugoshin O O O O O O O OPlease match the stage of M-Phase with the correct process occurring during that time. sister chromatid separation early mitotic spindle nuclear envelope breakdown chromosomes align in the middle of the cell chromosome condensation nuclear envelope reforms ✓ [Choose ] prophase metaphase prometaphase telophase anaphase [Choose ] [Choose ] [Choose ] [Choose ]Which of these is occurring during the mitotic step shown here? The nuclear membrane breaks down. The sister chromatids line up at the center of the cell. The chromosomes begin to uncoil as the nuclear membrane reassembles around them. Cytoplasm is divided into the two daughter cells. The sister chromatid pairs are pulled apart by the spindle fibers.