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- 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. AnswertruefalseIn both mitosis and meiosis, sister chromatids separate during anaphase, but there are _____ haploid daughter nuclei produced by meiosis compared to ______ diploid nuclei by mitosis.Which of the following cany the same genetic infor mation ? A - all autosome D- homologous chromosomes B - sister chromatids E-X and Y chro monsomes C-all haploid cells
- What will be the outcome if anaphase proceeded even thoughthe sister chromatids were not properly attached to theirrespective microtubules and lined up at the metaphaseplate?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 occursCrossing-over occurs between O Sister chromatids O Non-sister chromatids O Non-homologous chromosomes O None of these answers is correct
- Is it more indicated for ageneticist desiring to map theX chromosome of the motherof a given family (theresearcher does not haveaccess to her DNA, only accessto the genetic material of theoffspring) to analyze thechromosomes of herdaughters or of her sons?Hypothetically speaking, what will be the form of chromosomes if it will condense after S phase? sister chromatids Otelophase chromosome Osingle chromatid O homologous chromosomeHow does the attachment of kinetochore microtubules to thekinetochore differ in metaphase of meiosis I compared tometaphase of mitosis? Discuss what you think would happenif a sister chromatid was not attached to a kinetochoremicrotubule
- Various stages of cell division Growing spindle fibres Disappearing nuckar membrane Centrio les migrate toward poles Replicated chromosomeWhat is the corect order of these meiotic events? A Segregation of homologous chromosomes to opposite poles 8 Segregation of sister chromatids to opponite poles. CAignment of homologous pairs on the midplate of thve cell. D Pairing and synapsis of homologous chromosomes. E Condensation of chromosomes in a diploid nucleus. CDEAB O DCERA O EDCBA O EDCAB O DCAREThis 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