Select true or false for each of the following statements regarding anaphase I. Sister chromatids remain attached at the centromeres. Answertruefalse Homologous chromosomes remain attached at the centromeres. Answertruefalse Sister chromatids are pulled apart. Answertruefalse Homologous chromosomes are pulled apart. Answertruefalse Chiasmata are broken. Answertruefalse

Select true or false for each of the following statements regarding anaphase I. Sister chromatids remain attached at the centromeres. Answertruefalse Homologous chromosomes remain attached at the centromeres. Answertruefalse Sister chromatids are pulled apart. Answertruefalse Homologous chromosomes are pulled apart. Answertruefalse Chiasmata are broken. Answertruefalse

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter2: Cells And Cell Division

Section: Chapter Questions

Problem 22QP: Match the phase of cell division with the following diagrams. In these cells, 2n = 4. a. anaphase of...

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Select true or false for each of the following statements regarding anaphase II. Sister chromatids remain attached at the centromeres. Answertruefalse Homologous chromosomes remain attached at the centromeres. Answertruefalse Sister chromatids are pulled apart. Answertruefalse Homologous chromosomes are pulled apart. Answertruefalse Chiasmata are broken. Answertruefalse Non-kinetochore microtubules lengthen the cell. Answertruefalse
Select true or false for each of the following statements regarding telophase I. The result is 2 diploid nuclei. Answertruefalse Cytokinesis usually follows. Answertruefalse Chromosomes still consist of sister chromatids. Answertruefalse DNA replication must occur again before the next round can begin. Answertruefalse
Select true or false for each of the following statements regarding prophase II. Synapsis and crossover occur. Answertruefalse Spindle fibers form. Answertruefalse Homologous chromosomes pair together. Answertruefalse The nuclear envelope forms. Answertruefalse
Indicate the # of chromosomes and # of homologous pairs in this stage of mitosis, whether they are duplicated or not, and whether the cell has an n, 2n, or 4 complement of chromosomes. Also label a nonkinetochore microtubule, astral rays and a chromosome.
Draw and label a 2n=4 cell going through anaphase of mitosis.
A diploid cell has 4C genetic material and 16 chromosomes at the start of cell division. Identify number of set/s of chromosomes per cell after mitosis, number of set/s of chromosomes at Telophase 1, and number of chromosomes per cell at Telophase 1.
Answer as directed: Identify, define and describe each of the following terms: a. chromatid b. Centriole c. autosome d. Cytokinesis
illustrate and briefly describe the alignment, pairing, and disjunction ofsister chromatids during mitosis. Include the molecular complexes cohesin and shugoshin and the enzyme separase.
Select true or false in for each of the following statements about synapsis and crossover. Sister chromatids exchange genetic material. Answertruefalse Nonsister chromatids exchange genetic material. Answer true or false Chiasmata are formed. Answer true or false Recombination nodules mark the crossover point. Answer true or false X and Y chromosomes partially synapse. Answer true or false Synapsis occurs during both mitosis and meiosis, but crossover only occurs during meiosis. Answer true or false Crossover results in new gene combinations. Answer true or false
______________ is typically the ______________ stage of ______________. Question 4 options: S phase; longest; mitotic addition Cytokinesis; longest; cytology None of the other answers are correct. Interphase; longest; the cell cycle G1 and G2 phases; shortest; meiotic addition G1 Phase; shortest; mitotic subtraction
Indicate the stage of mitosis (interphase = I, prophase = P, metaphase = M, anaphase = A, telophase = T) during which each of the following events occur. chromatid doublets separate to individual chromosomescentriole replicatesreplicated chromosomes (chromatid doublets) are arranged in single file next to one another at the cell's equatornuclear membrane is disappearingspindle fibers form and become visiblecell plate (plant) or cleavage furrow (animal) forms and is visiblechromosomes are at opposite poles of the cell; cytokinesis is almost completedchromosomes (chromatids) first become visible as long thin strandsDNA (chromosome) replication occurs
In Coleus , the somatic cells are diploid with 24 chromosomes. How many of each of the following is present in each cell at the stage of mitosis and meiosis indicated below? kinetochore at prophase chromosomes at anaphase chromatids at metaphase 1 chromosomes at telophase after cytokinesis centromeres at anaphase chromosomes at telophase II after cytokinesis centromere at anaphase I chromatids at metaphase