When synapsis is complete all along the chromosomes, the cell is said to have entered a stage called

When synapsis is complete all along the chromosomes, the cell is said to have entered a stage called
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When synapsis is complete all along the chromosomes, the cell is said to have entered a stage ... . Zygotene B. Pachytene C. Diplotene D. Diakinesis
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When paternal and maternal chromosomes change their materials with each other in cell division this event is called (a) bivalent-forming (b) dyad-forming (c) synapsis (d) crossing-over.

Description : When paternal and maternal chromosomes change their materials with each other in cell division this event is called (a) bivalent-forming (b) dyad-forming (c) synapsis (d) crossing-over.

Last Answer : (d) crossing-over.

Synapsis occurs between (a) mRNA and ribosomes (b) spindle fibres and centromere (c) two homologous chromosomes (d) a male and a female gamete.

Description : Synapsis occurs between (a) mRNA and ribosomes (b) spindle fibres and centromere (c) two homologous chromosomes (d) a male and a female gamete.

Last Answer : (c) two homologous chromosomes

Select the correct option. Column I Column II A. Synapsis aligns (i) Anaphase II homologous chromosomes B. Synthesis of (ii) Zygotene RNA and protein C. Action of enzyme (iii)G2-phase recombinase D. Centromeres do (iv) Anaphase I not separate but chromatids move towards opposite poles (v) Pachytene (a) A-(i), B-(ii), C-(v), D-(iv) (b) A-(ii), B-(iii), C-(iv), D-(v) (c) A-(ii), B-(i), C-(iii), D-(iv) (d) A-(ii), B-(iii), C-(v), D-(iv)

Description : Select the correct option. Column I Column II A. Synapsis aligns (i) Anaphase II homologous chromosomes B. Synthesis of (ii) Zygotene RNA and protein C. Action of enzyme (iii)G2-phase recombinase D. Centromeres do (iv) Anaphase I not ... ), C-(iii), D-(iv) (d) A-(ii), B-(iii), C-(v), D-(iv)

Last Answer : (d) A-(ii), B-(iii), C-(v), D-(iv)

Synapsis and crossing over of chromosomes occurs i which phases of meiosis? a) Interphase b) Prophase c) Meterphase d) Teleophase

Description : Synapsis and crossing over of chromosomes occurs i which phases of meiosis? a) Interphase b) Prophase c) Meterphase d) Teleophase

Last Answer : ANSWER: B -- PROPHASE

At what stage of division does the number of chromosomes in the offspring cell become half of the number of chromosomes in the mother cell ?

Description : At what stage of division does the number of chromosomes in the offspring cell become half of the number of chromosomes in the mother cell ?

Last Answer : The number of chromosomes in the offspring cell formed during the division of miosis-1 is half of the number of chromosomes in the mother cell.

In which stage of cell division, number of chromosomes best counted:-

Description : In which stage of cell division, number of chromosomes best counted:-

Last Answer : In which stage of cell division, number of chromosomes best counted:- A. Prophase B. Metaphase C. Telophase D. Interphase

What stage are there homologous chromosomes lined up down the middle of the cell?

Description : What stage are there homologous chromosomes lined up down the middle of the cell?

Last Answer : Metaphase 1

A cell at telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cell is not like other cells at telophase stage. There is no formation of cell plate and thus the cell is containing more number of chromosomes as compared to other dividing cells. This would result in (a) somaclonal variation (b) polyteny (c) aneuploidy (d) polyploidy.

Description : A cell at telophase stage is observed by a student in a plant brought from the field. He tells his teacher that this cell is not like other cells at telophase stage. There is no formation of ... cells. This would result in (a) somaclonal variation (b) polyteny (c) aneuploidy (d) polyploidy.

Last Answer : (d) polyploidy.

Crossing over takes place between which chromatids and in which stage of the cell cycle ? (a) Non-sister chromatids of non-homologous chromosomes at Zygotene stage of prophase I. (b) Non-sister chromatids of homologous chromosomes at Pachytene stage of prophase I. (c) Non-sister chromatids of homologous chromosomes at Zygotene stage of prophase I. (d) Non-sister chromatids of non-homologous chromosomes at Pachytene stage of prophase I.

Description : Crossing over takes place between which chromatids and in which stage of the cell cycle ? (a) Non-sister chromatids of non-homologous chromosomes at Zygotene stage of prophase I. (b) Non- ... prophase I. (d) Non-sister chromatids of non-homologous chromosomes at Pachytene stage of prophase I.

Last Answer : (b) Non-sister chromatids of homologous chromosomes at Pachytene stage of prophase I.

A stage in cell division is shown in the figure. Select the answer which gives correct identification of the stage with its characteristics. (a) Cytokinesis Cell plate formed, mitochondria distributed between two daughter cells.(b) Telophase Endoplasmic reticulum and nucleolus not reformed yet. (c) Telophase Nuclear envelope reforms,Golgi complex reforms. (d) Late anaphase Chromosomes move away from equatorial plate, Golgi complex not present.

Description : A stage in cell division is shown in the figure. Select the answer which gives correct identification of the stage with its characteristics. (a) Cytokinesis Cell plate formed, mitochondria ... reforms. (d) Late anaphase Chromosomes move away from equatorial plate, Golgi complex not present.

Last Answer : (c) Telophase Nuclear envelope reforms,Golgi complex reforms.

During the final stage of cell division, the mitotic apparatus disappears, the chromosomes become attenuated, the centrioles duplicate and split, the nuclear membrane becomes reconstituted and the nucleolus reappears. This phase of cell division is known as:

Description : During the final stage of cell division, the mitotic apparatus disappears, the chromosomes become attenuated, the centrioles duplicate and split, the nuclear membrane becomes reconstituted and the nucleolus reappears. This ... as: a) prophase (pron: prO-phase) b) metaphase c) anaphase d) telophase

Last Answer : ANSWER: D -- Telophase

Have we entered the era of end stage capitalism?

Description : Have we entered the era of end stage capitalism?

Last Answer : I don't quite understand the question, but I'll take a stab at it. Every single democracy throughout history has only lasted about 200 years before evolving into some other form of government. Every single ... you are well aware. So I will say that the answer to your question is, basically, yes.

Select the correct option with respect to mitosis. (a) Chromatids separate but remain in the centre of the cell in anaphase. (b) Chromatids start moving towards opposite poles in telophase. (c) Golgi complex and endoplasmic reticulum are still visible at the end of prophase. (d) Chromosomes move to the spindle equator and get aligned along equatorial plate in metaphase.

Description : Select the correct option with respect to mitosis. (a) Chromatids separate but remain in the centre of the cell in anaphase. (b) Chromatids start moving towards opposite poles in telophase. (c ... . (d) Chromosomes move to the spindle equator and get aligned along equatorial plate in metaphase.

Last Answer : (d) Chromosomes move to the spindle equator and get aligned along equatorial plate in metaphase.

Assertion :- Morphology of chromosomes is most studied during metaphase of cell division. Reason :- Complete disintegration of nuclear envelope marks

Description : Assertion :- Morphology of chromosomes is most studied during metaphase of cell division. Reason :- Complete disintegration of nuclear envelope marks

Last Answer : Assertion :- Morphology of chromosomes is most studied during metaphase of cell division. Reason :- ... D. If both Assertion & Reason are false.

Which of the following particulars should also be furnished on the reverse of the daily account. a) Details of remittances received and sent from or to HO or other SO b) Particulars of UCR , UCP, bills paid , reason for holding cash/stamp below minimum or excess maximum c) Requisition for postage entered in remarks column d) All documents sent to along with the daily account e) All the above

Description : Which of the following particulars should also be furnished on the reverse of the daily account. a) Details of remittances received and sent from or to HO or other SO b) Particulars of UCR , UCP, ... entered in remarks column d) All documents sent to along with the daily account e) All the above

Last Answer : e) All the above

When family allotment money order are paid a) The MOs paid shall be listed along with other MOs b) The MOs will be entered in separate journal and accounted for separately in the accounts c) Will be entered in MO paid journals and the total entered in the ordinary journal d) None of these

Description : When family allotment money order are paid a) The MOs paid shall be listed along with other MOs b) The MOs will be entered in separate journal and accounted for separately in the accounts c) Will be entered in MO paid journals and the total entered in the ordinary journal d) None of these

Last Answer : c) Will be entered in MO paid journals and the total entered in the ordinary journal

An insulation resistance test is performed on a particular piece of electric equipment. In addition to the resistance reading, what information listed below should be entered in the electrical log? A. The maximum allowable operating temperature of the machine. B. The temperature of the machine at the time the resistance reading was taken. C. The normal temperature rise of the machine. D. The complete nameplate data from the resistance test instrument used to obtain the reading.

Description : An insulation resistance test is performed on a particular piece of electric equipment. In addition to the resistance reading, what information listed below should be entered in the electrical log? A. ... D. The complete nameplate data from the resistance test instrument used to obtain the reading.

Last Answer : Answer: B

What is synapsis? -Biology

Description : What is synapsis? -Biology

Last Answer : answer:

Assertion :- Zygotene is charactersed by formation of synaptonemal complex . Reason :- Synoptonemal complex helps in synapsis of non homologous chromo

Description : Assertion :- Zygotene is charactersed by formation of synaptonemal complex . Reason :- Synoptonemal complex helps in synapsis of non homologous chromo

Last Answer : Assertion :- Zygotene is charactersed by formation of synaptonemal complex . Reason :- Synoptonemal complex ... If both Assertion & Reason are false.

Arrange the following events of meiosis in the correct sequence - A. Terminalisation of chiasmata B. Crossing over C. Synapsis D. Disjunction of chrom

Description : Arrange the following events of meiosis in the correct sequence - A. Terminalisation of chiasmata B. Crossing over C. Synapsis D. Disjunction of chrom

Last Answer : Arrange the following events of meiosis in the correct sequence - A. Terminalisation of chiasmata ... ` C. `CtoBtoDtoEtoA` D. `CtoBtoEtoAtoD`

Arrange the following events of meiosis in correct sequence : (a) Crossing over (b) Synapsis ( c ) Terminalisation of chaismata (d) Disappearance of n

Description : Arrange the following events of meiosis in correct sequence : (a) Crossing over (b) Synapsis ( c ) Terminalisation of chaismata (d) Disappearance of n

Last Answer : Arrange the following events of meiosis in correct sequence : (a) Crossing over (b) Synapsis ( c ) Terminalisation of ... . (a), (b), ( c ), (d)

Synapsis occurs between :

Description : Synapsis occurs between :

Last Answer : Synapsis occurs between : A. Two homologous chromosomes B. A make and a female gamete C. m RNA and ribosomes D. Spindle fibres and centromere

In meiosis the daughter cells are not similar to that of parent because of (a) Crossing over (b) Synapsis (c) Both (a) and (b) (d) None of these

Description : In meiosis the daughter cells are not similar to that of parent because of (a) Crossing over (b) Synapsis (c) Both (a) and (b) (d) None of these

Last Answer : Ans:(a)

Arrange the following events of meiosis in correct sequence (i) Crossing over (ii) Synapsis (iii)Terminalisation of chiasmata (iv) Disappearance of nucleolus (a) (i), (ii), (iii), (iv) (b) (ii), (iii), (iv), (i) (c) (ii), (i), (iv), (iii) (d) (ii), (i), (iii), (iv)

Description : Arrange the following events of meiosis in correct sequence (i) Crossing over (ii) Synapsis (iii)Terminalisation of chiasmata (iv) Disappearance of nucleolus (a) (i), (ii), (iii), (iv) (b) (ii), (iii), (iv), (i) (c) (ii), (i), (iv), (iii) (d) (ii), (i), (iii), (iv)

Last Answer : (d) (ii), (i), (iii), (iv)

Match the following with respect to meiosis. (A) Zygotene (i) Terminalization (B) Pachytene (ii) Chiasmata (C) Diplotene (iii)Crossing over (D) Diakinesis (iv) Synapsis

Description : Match the following with respect to meiosis. (A) Zygotene (i) Terminalization (B) Pachytene (ii) Chiasmata (C) Diplotene (iii)Crossing over (D) Diakinesis (iv) Synapsis

Last Answer : (b) (iv) (iii) (ii) (i)

Which of the following is not a characteristic feature during mitosis in somatic cells? (a) Chromosome movement (b) Synapsis (c) Spindle fibres (d) Disappearance of nucleolus

Description : Which of the following is not a characteristic feature during mitosis in somatic cells? (a) Chromosome movement (b) Synapsis (c) Spindle fibres (d) Disappearance of nucleolus

Last Answer : (b) Synapsis

Payment on account of pensions and commuted value of pensions made by Head and Sub Post offices will be entered in a separate schedule The above said statement is a. True b. False

Description : Payment on account of pensions and commuted value of pensions made by Head and Sub Post offices will be entered in a separate schedule The above said statement is a. True b. False

Last Answer : a. True

Complete the sentence. The alternative forms of gene at the same locus on homologous chromosomes are called what?

Description : Complete the sentence. The alternative forms of gene at the same locus on homologous chromosomes are called what?  

Last Answer : ANSWER: ALLELES 

At what stage of mitosis new chromosomes are formed ?

Description : At what stage of mitosis new chromosomes are formed ?

Last Answer : Answer : New chromosomes are formed during the prophase stage of mitosis

At what stage of mitosis do the chromosomes form VLJ or I ?

Description : At what stage of mitosis do the chromosomes form VLJ or I ?

Last Answer : Answer : In the anaphase stage of mitosis, the chromosomes have VLJ or I shape.

At what stage of mitosis do the chromosomes resemble the English alphabet J ?

Description : At what stage of mitosis do the chromosomes resemble the English alphabet J ?

Last Answer : The chromosomes in the anaphase stage of mitosis are like the English alphabet J.

At what stage do the offspring chromosomes come to the opposite pole ?

Description : At what stage do the offspring chromosomes come to the opposite pole ?

Last Answer : Answer : The offspring chromosomes come to the opposite pole in the step of telophase.

At what stage of mitosis division do the chromosomes become the shortest and thickest ?

Description : At what stage of mitosis division do the chromosomes become the shortest and thickest ?

Last Answer : In the metaphase stage of mitosis division, the chromosomes become the shortest and thickest.

In which stage of mitosis, the chromosomes are composed of two chromatids ?

Description : In which stage of mitosis, the chromosomes are composed of two chromatids ?

Last Answer : In which stage of mitosis, the chromosomes are composed of two chromatids ? A. Prophase & ... C. Prophase and telophase D. Metaphase and anaphase

In which stage the chromosomes appear thin and long thread-like

Description : In which stage the chromosomes appear thin and long thread-like

Last Answer : In which stage the chromosomes appear thin and long thread-like A. zygotene through ... C. Pachytene - chiasmata terminalisation D. Diakinesis

What stage of mitosis do the chromosomes line up in the middle?

Description : What stage of mitosis do the chromosomes line up in the middle?

Last Answer : During Metaphase, they line up in the middle. MiddleMetaphase.

When Chromosomes condense and become visible during which stage of mitosis?

Description : When Chromosomes condense and become visible during which stage of mitosis?

Last Answer : Feel Free to Answer

What stage do the Chromosomes form chromatin and the nuclear envelope reforms during?

Description : What stage do the Chromosomes form chromatin and the nuclear envelope reforms during?

Last Answer : telophase

In which stage of meiosis do homologous chromosomes separate?

Description : In which stage of meiosis do homologous chromosomes separate?

Last Answer : Need answer

What stage During which stage of mitosis does chromatin condense into chromosomes?

Description : What stage During which stage of mitosis does chromatin condense into chromosomes?

Last Answer : Need answer

The middle stage in which chromosomes are arranged in equatorial plate

Description : The middle stage in which chromosomes are arranged in equatorial plate

Last Answer : Ans. Metaphase

Identify the meiotic stage in which the homologous chromosomes separate while the sister chromatids remain associated at their centromeres. (a) Metaphase I (b) Metaphase II (c) Anaphase I (d) Anaphase I

Description : Identify the meiotic stage in which the homologous chromosomes separate while the sister chromatids remain associated at their centromeres. (a) Metaphase I (b) Metaphase II (c) Anaphase I (d) Anaphase I

Last Answer : (c) Anaphase I

The stage during which separation of the paired homologous chromosomes begins is (a) pachytene (b) diplotene (c) diakinesis (d) zygotene.

Description : The stage during which separation of the paired homologous chromosomes begins is (a) pachytene (b) diplotene (c) diakinesis (d) zygotene.

Last Answer : (b) diplotene

Which of the following represents the best stage to view the shape, size and number of chromosomes? (a) Prophase (b) Metaphase (c) Interphase (d) Telophase

Description : Which of the following represents the best stage to view the shape, size and number of chromosomes? (a) Prophase (b) Metaphase (c) Interphase (d) Telophase

Last Answer : (b) Metaphase

A stage of mitosis is shown in the diagram. Which stage is it and what are its characteristics? (a) Metaphase - Spindle fibers attached to kinetochores, centromeres split and chromatids separate. (b) Metaphase - Chromosomes moved to spindle equator, chromosomes made up of two sister chromatids. (c) Anaphase - Centromeres split and chromatids separate and start moving away. (d) Late prophase - Chromosomes move to spindle equator.

Description : A stage of mitosis is shown in the diagram. Which stage is it and what are its characteristics? (a) Metaphase - Spindle fibers attached to kinetochores, centromeres split and chromatids ... chromatids separate and start moving away. (d) Late prophase - Chromosomes move to spindle equator.

Last Answer : (b) Metaphase - Chromosomes moved to spindle equator, chromosomes made up of two sister chromatids.

During the metaphase stage of mitosis, spindle fibres attach to chromosomes at (a) kinetochore (b) both centromere and kinetochore (c) centromere, kinetochore and areas adjoining centromere (d) centromere.

Description : During the metaphase stage of mitosis, spindle fibres attach to chromosomes at (a) kinetochore (b) both centromere and kinetochore (c) centromere, kinetochore and areas adjoining centromere (d) centromere.

Last Answer : a) kinetochore

The stage during which separation of the paired homologous chromosomes begins is (1) Pachytene (2) Diplotene (3) Diakinesis (4) Zygotene

Description : The stage during which separation of the paired homologous chromosomes begins is (1) Pachytene (2) Diplotene (3) Diakinesis (4) Zygotene

Last Answer : (2) Diplotene

In which typical stage are Lampbrush chromosomes observed?

Description : 31. In which typical stage are Lampbrush chromosomes observed? (a) meiotic prophase (b) mitotic metaphase (c) mitotic propahse (d) mitotic anaphase

Last Answer : Answer: a meiotic prophase

Reappearance of nuclear membrane & nucleolus along with thining & elongation in chromosomes are diagnostic characters for the phase:-

Description : Reappearance of nuclear membrane & nucleolus along with thining & elongation in chromosomes are diagnostic characters for the phase:-

Last Answer : Reappearance of nuclear membrane & nucleolus along with thining & elongation in chromosomes are diagnostic ... B. Metaphase C. Interphase D. Telophase

What type of mutation has occurred when a plant inherits a complete extra set of chromosomes?

Description : What type of mutation has occurred when a plant inherits a complete extra set of chromosomes?

Last Answer : ANSWER: POLYPLOIDY