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

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

1 Answer

Answer :

ANSWER: B -- PROPHASE
by

Related questions

A cell cycle consists of (a) Mitosis and meiosis (b) GI, the Sphase, and G2 (c) Prophase, metaphase, anaphase and telophase (d) Interphase and mitosis

Description : A cell cycle consists of (a) Mitosis and meiosis (b) GI, the Sphase, and G2 (c) Prophase, metaphase, anaphase and telophase (d) Interphase and mitosis

Last Answer : Ans:(d)

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)

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)

In meios-I, the Centro mere undergoes: (a) Division between anaphase and Interphase (b) Division between prophase and metaphase (c) Division but the daughter chromosomes do not separate (d) No division

Description : In meios-I, the Centro mere undergoes: (a) Division between anaphase and Interphase (b) Division between prophase and metaphase (c) Division but the daughter chromosomes do not separate (d) No division

Last Answer : Ans. ((d))

Morphology of Chromosomes can be best studied at - (1) Interphase (2) Prophase (3) Metaphase (4) Zygotene

Description : Morphology of Chromosomes can be best studied at - (1) Interphase (2) Prophase (3) Metaphase (4) Zygotene

Last Answer : (3) Metaphase Explanation: The morphology of the chromosomes can be distinctly studied at metaphase stage of cell division because at this stage chromosomes are in highly condensed ... constriction (centromere), Secondary constriction (nucleolar organizer), satellite, telomere, and chromosmere.

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

Morphology of Chromosomes can be best studied at (1) Interphase (2) Prophase (3) Metaphase (4) Zygotene

Description : Morphology of Chromosomes can be best studied at (1) Interphase (2) Prophase (3) Metaphase (4) Zygotene

Last Answer : Metaphase

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.

In prophase I of meiosis crossing over results in?

Description : In prophase I of meiosis crossing over results in?

Last Answer : Genetic Recombination

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.

Meiosis I is reductional division. Meiosis II is equational division due to (a) pairing of homologous chromosomes (b) crossing over (c) separation of chromatids (d) disjunction of homologous chromosomes.

Description : Meiosis I is reductional division. Meiosis II is equational division due to (a) pairing of homologous chromosomes (b) crossing over (c) separation of chromatids (d) disjunction of homologous chromosomes.

Last Answer : (c) separation of chromatids

Match the stages of meiosis in column I to their characteristic features in column II and select the correct option using the codes given below. Column I Column II A. Pachytene (i) Pairing of homologous chromosomes B. Metaphase I (ii) Terminalisation of chiasmata C. Diakinesis (iii) Crossing-over takes place D. Zygotene (iv) Chromosomes align at equatorial plate (a) A-(iii), B-(iv), C-(ii), D-(i) (b) A-(i), B-(iv), C-(ii), D-(iii) (c) A-(ii), B-(iv), C-(iii), D-(i) (d) A-(iv), B-(iii), C-(ii), D-(i)

Description : Match the stages of meiosis in column I to their characteristic features in column II and select the correct option using the codes given below. Column I Column II A. Pachytene (i) Pairing of homologous chromosomes B. Metaphase I (ii) ... , C-(iii), D-(i) (d) A-(iv), B-(iii), C-(ii), D-(i)

Last Answer : (a) A-(iii), B-(iv), C-(ii), D-(i)

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

The chromatids become visible in a. interphase b. prophase c. anaphase d. metaphase

Description : The chromatids become visible in a. interphase b. prophase c. anaphase d. metaphase

Last Answer : prophase

Difference between interphase and interkinesis in meiosis? -Biology

Description : Difference between interphase and interkinesis in meiosis? -Biology

Last Answer : answer:

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

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

Last Answer : When synapsis is complete all along the chromosomes, the cell is said to have entered a stage ... . Zygotene B. Pachytene C. Diplotene D. Diakinesis

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)

In an interphase heat transfer process, the equilibrium state corresponds to equality of temperature in the two phases, while the condition for equilibrium in an interphase mass transfer process is equality of (A) Concentrations (B) Chemical potentials (C) Activity co-efficients (D) Mass transfer co-efficients

Description : In an interphase heat transfer process, the equilibrium state corresponds to equality of temperature in the two phases, while the condition for equilibrium in an interphase mass transfer process is ... B) Chemical potentials (C) Activity co-efficients (D) Mass transfer co-efficients

Last Answer : (A) Concentrations

The eukaryotic cell cycle consists of discrete phases. One of these is named the M or mitosis phase during which the cell divides. Following the M phase is a period known as interphase that is made up of three distinct phases. Name, in order, the three separate phases of interphase.

Description : The eukaryotic cell cycle consists of discrete phases. One of these is named the M or mitosis phase during which the cell divides. Following the M phase is a period known as interphase that is made up of three distinct phases. Name, in order, the three separate phases of interphase.

Last Answer : G1, S and G2

The given figure is the representation of a certain event at a particular stage of a type of cell division. Which is this stage? (a) Prophase I during meiosis (b) Prophase II during meiosis (c) Prophase of mitosis (d) Both prophase and metaphase of mitosis

Description : The given figure is the representation of a certain event at a particular stage of a type of cell division. Which is this stage? (a) Prophase I during meiosis (b) Prophase II during meiosis (c) Prophase of mitosis (d) Both prophase and metaphase of mitosis

Last Answer : (a) Prophase I during meiosis

Assertion : Replication of DNA not occurs during interkinesis. Reason : Divison of chromosomes takes place during meiosis-II.

Description : Assertion : Replication of DNA not occurs during interkinesis. Reason : Divison of chromosomes takes place during meiosis-II.

Last Answer : Assertion : Replication of DNA not occurs during interkinesis. Reason : Divison of chromosomes takes place ... . If both Assertion & Reason are false.

What happens to the chromosomes during prophase? -Biology

Description : What happens to the chromosomes during prophase? -Biology

Last Answer : answer:

A cell examined during prophase of cell cycle contained 100 units of DNA and 50 chromosomes. What would be the number of DNA and chromosome in anaphas

Description : A cell examined during prophase of cell cycle contained 100 units of DNA and 50 chromosomes. What would be the number of DNA and chromosome in anaphas

Last Answer : A cell examined during prophase of cell cycle contained 100 units of DNA and 50 chromosomes. What ... & 100 chromosomes D. 50 DNA & 25 chromosomes

If you are provided with root-tips of onion in your class and are asked to count the chromosomes, which of the following stages can you most conveniently look into? (a) Metaphase (b) Telophase (c) Anaphase (d) Prophase

Description : If you are provided with root-tips of onion in your class and are asked to count the chromosomes, which of the following stages can you most conveniently look into? (a) Metaphase (b) Telophase (c) Anaphase (d) Prophase

Last Answer : (a) Metaphase

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.

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.

Assertion : Meiosis produces four genetically dissimilar cells. Reason : Crossing over or gene exchange takes place in meiosis.

Description : Assertion : Meiosis produces four genetically dissimilar cells. Reason : Crossing over or gene exchange takes place in meiosis.

Last Answer : Assertion : Meiosis produces four genetically dissimilar cells. Reason : Crossing over or gene exchange ... . If both Assertion & Reason are false.

What would be the results if crossing over did not happen during meiosis in humans?

Description : What would be the results if crossing over did not happen during meiosis in humans?

Last Answer : There would be less genetic variation in humans

In meiosis, the daughter cells differ from parent cell as well as amongst themselves due to (a) segregation, independent assortment and crossing over (b) segregation and crossing over(c) independent assortment and crossing over (d) segregation and independent assortment.

Description : In meiosis, the daughter cells differ from parent cell as well as amongst themselves due to (a) segregation, independent assortment and crossing over (b) segregation and crossing over (c) independent assortment and crossing over (d) segregation and independent assortment.

Last Answer : (a) segregation, independent assortment and crossing over

In meiosis crossing over is initiated at (a) zygotene (b) diplotene (c) pachytene (d) leptotene.

Description : In meiosis crossing over is initiated at (a) zygotene (b) diplotene (c) pachytene (d) leptotene.

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

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 which type of cell divisions does crossing over of chromosomes takes place? -Do You Know?

Description : In which type of cell divisions does crossing over of chromosomes takes place? -Do You Know?

Last Answer : answer:

Down’s syndrome is due to (a) crossing over (b) linkage (c) sex-linked inheritance (d) non-disjunction of chromosomes.

Description : Down’s syndrome is due to (a) crossing over (b) linkage (c) sex-linked inheritance (d) non-disjunction of chromosomes.

Last Answer : (d) non-disjunction of chromosomes.

Centromere is required for (a) movement of chromosomes towards poles (b) cytoplasmic cleavage (c) crossing over (d) transcription.

Description : Centromere is required for (a) movement of chromosomes towards poles (b) cytoplasmic cleavage (c) crossing over (d) transcription.

Last Answer : (a) movement of chromosomes towards poles

In which type of cell divisions does crossing over of chromosomes takes place?

Description : In which type of cell divisions does crossing over of chromosomes takes place?

Last Answer : Meiosis

What phase of meiosis does crossing occur?

Description : What phase of meiosis does crossing occur?

Last Answer : prophase 1.

Which does not occurs in prophase?

Description : Which does not occurs in prophase?

Last Answer : Which does not occurs in prophase? A. Decondensation of chromatin B. Condensation of chromatin ... D. Disappearance of nuclear membrane and nucleolus

According to Mendel’s law of segregation, what happens to chromosomes during meiosis?

Description : According to Mendel’s law of segregation, what happens to chromosomes during meiosis?

Last Answer : According to mendel's law of segregation, what happens tochromosomes during meiosis is that, allele pairs do separateleaving each and every cell with a single allele for eachtrait.

Assertion : Meiosis is also known as reduction division. Reason : Meiosis reduces the number of chromosomes in daughter cells.

Description : Assertion : Meiosis is also known as reduction division. Reason : Meiosis reduces the number of chromosomes in daughter cells.

Last Answer : Assertion : Meiosis is also known as reduction division. Reason : Meiosis reduces the number of ... D. If both Assertion & Reason are false.

If the number of bivalents are 8 in metaphase - I, what shall be the number of chromosomes in daughter cells after meiosis -I and meiosis -II respecti

Description : If the number of bivalents are 8 in metaphase - I, what shall be the number of chromosomes in daughter cells after meiosis -I and meiosis -II respecti

Last Answer : If the number of bivalents are 8 in metaphase - I, what shall be the number of chromosomes in daughter cells after ... 4 and 4 C. 8 and 8 D. 16 and 8

In meiosis, centromeres of chromosomes divide during-

Description : In meiosis, centromeres of chromosomes divide during-

Last Answer : In meiosis, centromeres of chromosomes divide during- A. anaphase of meiosis-II B. metaphase of meiosis ... of meiosis-I D. prophase of meiosis-II

What happens to each pair of duplicated homologous chromosomes during meiosis 1?

Description : What happens to each pair of duplicated homologous chromosomes during meiosis 1?

Last Answer : Need answer

In Meiosis when the chromosomes first become visible in?

Description : In Meiosis when the chromosomes first become visible in?

Last Answer : Need answer

Why is it necessary for meiosis to produce with fewer chromosomes?

Description : Why is it necessary for meiosis to produce with fewer chromosomes?

Last Answer : If it did not, the chromosome number would double in eachgeneration.

Why is it nesessary for meiosis to produce cells with fewer chromosomes?

Description : Why is it nesessary for meiosis to produce cells with fewer chromosomes?

Last Answer : Feel Free to Answer

If a diploid cell contains twenty eight chromosomes and it goes through meiosis how many chromosomes will each daughter cell have?

Description : If a diploid cell contains twenty eight chromosomes and it goes through meiosis how many chromosomes will each daughter cell have?

Last Answer : Feel Free to Answer

How do the chromosomes at the end of meiosis 1 compare with the chromosomes at the end of meiosis 2?

Description : How do the chromosomes at the end of meiosis 1 compare with the chromosomes at the end of meiosis 2?

Last Answer : What is the answer ?