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

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter6: Reproduction At The Cellular Level

Section: Chapter Questions

Problem 5RQ: Separation of the sister chromatids is a characteristic of which stage of mitosis? a. prometaphase...

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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
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
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
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
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.
x * X Given the cell shown here, answer the following three questions. 1. Describe the ploidy and total chromosome count of this cell without using any words. 2. What checkpoint in the cell cycle will allow this cell to move to the next phase? 3. What will be the ploidy of the two resulting daughter cells? 4. If non-disjunction occurred in one of the chromosomes shown here, what would be the ploidy of each of the resulting daughter cells?
The following pairs of term differentiate mitosis from meiosis. Describe the pair of terms briefly. 1. Somatic cells vs. sex cells 2. Haploid cells vs. Diploid cells 3. Homologous chromosomes vs. Sister chromatids 4. Daughter cells vs. 2 daughter cells 5. 2n = 6 vs n = 3
Match the term with the correct description. Nuclear membrane reforms Answer 1Choose...S phaseAnaphaseTelophaseG2 phaseMetaphaseCytokinesisProphaseG1 phase Chromosomes move to the middle of the cell Answer 2Choose...S phaseAnaphaseTelophaseG2 phaseMetaphaseCytokinesisProphaseG1 phase Sister chromatids move to opposite ends of the cell Answer 3Choose...S phaseAnaphaseTelophaseG2 phaseMetaphaseCytokinesisProphaseG1 phase Division of the cytoplasm Answer 4Choose...S phaseAnaphaseTelophaseG2 phaseMetaphaseCytokinesisProphaseG1 phase Period of growth to prepare for mitotic phase Answer 5Choose...S phaseAnaphaseTelophaseG2 phaseMetaphaseCytokinesisProphaseG1 phase
The table presents the criteria to be used in comparing motosis and meiosis. Provide the missing information. Mitosis Meiosis chromosome number of daughter cells number of cell divisions stages presence of synapses presence of crossing over cell type that undergoes cell division number of daughter cells formed DNA content of cells at start of division DNA content of daughter cells genetic consequences
This is a picture of anaphase: Explain why you know this cell is in anaphase using 2 vocabulary words from this list (definitions are in question 1): Nuclear envelope/nucleus Chromatin chromatid/sister chromatid Chromosome Spindle tv Aa 23 MacBook Air DD FB F9 F7 F3 F4 F5 F2 @ 23 $ % & 3 4 5 7 8 9 P W R Y S D F G H J K L XIG YIB N M E
A diploid organism has chromosomes. Use colours or symbols to show which chromosomes are which throughout each stage. Draw and label the chromosomes, sister chromatids, centromeres, spindle fibres, tetrad, crossing over and nucleus where appropriate. Prophase I Metaphase I Anaphase I Telophase I Prophase II Metaphase II Anaphase II Telophase II O曲T回A@ 28 Ai MacBook Pro K 2$ & 2 3 E R Y D F G K V B M command MOSISO command
Which of the following statements are true regarding mitosis in humans? 23 pairs of homologous chromosomes are separated four haploid gametes are produced in males 46 pairs of homologous chromosomes are separated two genetically identical daughter cells are produced 23 pairs of sister chromatids are separated 46pairs of sister chromatids are separated 1 haploid gamete and 2 polar bodies are produced in females