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

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

Answer :

Meiosis
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Related questions

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:

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.

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)

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.

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.

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

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

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

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.

Crossing over takes place in :-

Description : Crossing over takes place in :-

Last Answer : Crossing over takes place in :- A. Zygotene B. Pachytene C. Diplotene D. Diakinesis

In which stage, crossing over takes place?

Description : In which stage, crossing over takes place?

Last Answer : Ans. Pachytene stage

Which of the following process is not takes place in evolution of plants? (A)Crossing over (B) Mutation (C) Linkage (D) Coupling

Description : Which of the following process is not takes place in evolution of plants? (A)Crossing over (B) Mutation (C) Linkage (D) Coupling

Last Answer : (C) Linkage

A woman who lived in Germany during World War II wanted to cross the German/Swiss border in order to escape Nazi pursuers. The bridge which she is to cross is a half mile across, over a large canyon. Every three minutes a guard comes out of his bunker and checks if anyone is on the bridge. If a person is caught trying to escape German side to the Swiss side they are shot. If caught crossing the other direction without papers they are sent back. She knows that it takes at least five minutes to cross the bridge, in which time the guard will see her crossing and shoot her. How does she get across? -Riddles

Description : A woman who lived in Germany during World War II wanted to cross the German/Swiss border in order to escape Nazi pursuers. The bridge which she is to cross is a half mile across, over a large canyon. ... , in which time the guard will see her crossing and shoot her. How does she get across? -Riddles

Last Answer : She waits until the guard is inside his hut, then walks halfway across before starting to walk back. The guard, seing she has no papers, sends her 'back'.

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.

A 250 m goods train takes 50 s to cross a person who is going in the same direction with the speed of 8 km/h. After crossing that person, the train can reach next station in 2 hr. How long that person takes to reach that station after being crossed by them? A) 2 ½ hr B) 5hr C) 3 1/2hr D) 1hr

Description : A 250 m goods train takes 50 s to cross a person who is going in the same direction with the speed of 8 km/h. After crossing that person, the train can reach next station in 2 hr. How long that person takes to reach that station after being crossed by them? A) 2 ½ hr B) 5hr C) 3 1/2hr D) 1hr

Last Answer : ANSWER:A Explanation:  Speed of the person = 8 kmph  = (8*5/18)m/s  = 20/9 m/s  Then relative speed of train = (x-20/9)m/s  As train takes 50 sec to cross the person  Therefore 50 =250/(x-20/ ... 20,000 m  = 20 km Thus time taken by the person to cover the distance of 20km= 20/8 hr=2 ½ hr

Assertion : Crossing over take place during pachytene stage. Reason : It is a process of interchange of chromatid material between non sister chromati

Description : Assertion : Crossing over take place during pachytene stage. Reason : It is a process of interchange of chromatid material between non sister chromati

Last Answer : Assertion : Crossing over take place during pachytene stage. Reason : It is a process of interchange of ... D. If both Assertion & Reason are false.

The place where a railway line and a road cross each other at the same level, is known as A. Level Crossing B. Cross over C. Rail Junction D. Road Junction

Description : The place where a railway line and a road cross each other at the same level, is known as A. Level Crossing B. Cross over C. Rail Junction D. Road Junction

Last Answer : A [Level Crossing] Explanation: A level crossing (also called a grade crossing, a railway crossing, or a railroad crossing) is a place where a railway line and a road meet each other on the same level.

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 which stage of cell does crossing over occur? What is its role in the origin of species?

Description : In which stage of cell does crossing over occur? What is its role in the origin of species? 

Last Answer : Ans: Pachytene of Meiosis. It brings about variations in the off spring. Continuation of these variations for several generations leads to origin of new species. 

Consider the following three statements. A) Social divisions take place when social differences overlap. -SST 10th

Description : Consider the following three statements. A) Social divisions take place when social differences overlap. -SST 10th

Last Answer : B - As we know that, the social division takes place when social differences overlap and it is also possible that a person can have multiple identities. But, it is not correct that social divisions ... Therefore, statements A and B are correct whereas C is incorrect. Hence, option (b) is correct

How many times divisions will occur in an isolated tip cell to form 128 cells ?

Description : How many times divisions will occur in an isolated tip cell to form 128 cells ?

Last Answer : How many times divisions will occur in an isolated tip cell to form 128 cells ? A. 128 B. 127 C. 32 D. 7

Telomere shortening during cell divisions signifies :-

Description : Telomere shortening during cell divisions signifies :-

Last Answer : Telomere shortening during cell divisions signifies :- A. Cellular aging B. Loss of base pairs ... replication potential of cells D. All of these

How cell divisions occur in meiosis?

Description : How cell divisions occur in meiosis?

Last Answer : Two. You end up with four total daughter cells.

The period between active cell divisions in called a. anaphase b. metaphase c. interphase d. telephase

Description : The period between active cell divisions in called a. anaphase b. metaphase c. interphase d. telephase

Last Answer : interphase

In grasses what happens in microspore mother cell for the formation of mature pollen grains? (a) One meiotic and two mitotic divisions (b) One meiotic and one mitotic divisions (c) One meiotic division (d) One mitotic division

Description : In grasses what happens in microspore mother cell for the formation of mature pollen grains? (a) One meiotic and two mitotic divisions (b) One meiotic and one mitotic divisions (c) One meiotic division (d) One mitotic division

Last Answer : (b) One meiotic and one mitotic divisions

How many mitotic divisions are needed for a single cell to make 128 cells? (a) 28 (b) 32 (c) 7 (d) 14

Description : How many mitotic divisions are needed for a single cell to make 128 cells? (a) 28 (b) 32 (c) 7 (d) 14

Last Answer : (c) 7

Which one of the following is NOT an event of sporulation? a. Symmetrical cell divisions b. Mother cell disintegration c. DNA replication d. Prespore engulfment by the mother cell

Description : Which one of the following is NOT an event of sporulation? a. Symmetrical cell divisions b. Mother cell disintegration c. DNA replication d. Prespore engulfment by the mother cell

Last Answer : a. Symmetrical cell divisions

4.A mature embryosac in angiosperm is formed from a megaspore mother cell by ------- cell divisions. (a) one mitosis and two meiosis, b)two mitosis and one meiosis, c)three mitosis and two meiosis d)three mitosis and one meiosis)

Description : 4.A mature embryosac in angiosperm is formed from a megaspore mother cell by ------- cell divisions. (a) one mitosis and two meiosis, b)two mitosis and one meiosis, c)three mitosis and two meiosis d)three mitosis and one meiosis)

Last Answer : d)three mitosis and one meiosis)

How many meiotic divisions are required to produce 200 microspores from functional microspore mother cell

Description : 1. How many meiotic divisions are required to produce 200 microspores from functional microspore mother cell ? a) 400 b) 50 c) 200 d) 100

Last Answer : b) 50

Bateson used the terms coupling and repulsion for linkage and crossing over. Name the correct parental of coupling type alongwith its cross over or repulsion. (a) Coupling AABB, aabb; Repulsion AABB, aabb (b) Coupling AAbb, aaBB; Repulsion AaBb, aabb (c) Coupling aaBB, aabb; Repulsion AABB, aabb (d) Coupling AABB, aabb; Repulsion AAbb, aaBB

Description : Bateson used the terms coupling and repulsion for linkage and crossing over. Name the correct parental of coupling type alongwith its cross over or repulsion. (a) Coupling AABB, aabb; Repulsion AABB, ... c) Coupling aaBB, aabb; Repulsion AABB, aabb (d) Coupling AABB, aabb; Repulsion AAbb, aaBB

Last Answer : (d) Coupling AABB, aabb; Repulsion AAbb, aaBB

Mitosis is a type of cell division in which - (1) The chromosomes maintain their original number (2) The chromosome number is reduced to half (3) The Chromosome number is doubled (4) The chromosome number is reduced to one fourth

Description : Mitosis is a type of cell division in which - (1) The chromosomes maintain their original number (2) The chromosome number is reduced to half (3) The Chromosome number is doubled (4) The chromosome number is reduced to one fourth

Last Answer : (3) The Chromosome number is doubled

Name the type of cell division in which the two resulting cells carry only half the original number of chromosomes.

Description : Name the type of cell division in which the two resulting cells carry only half the original number of chromosomes. 

Last Answer : ANSWER: MEIOSIS (pron: my-o-sis)

For protection of level crossing gate in an emergency on BG double line the Gateman should place one detonator at one place and 3 detonators at a subsequent place at a distance of ------- a) and------- meters respectively b) 400 meters in 800 meters c) 500 meters and 1000 meters d) 600 meters and 1200 meters* e) 800 meters in 1500 meters

Description : For protection of level crossing gate in an emergency on BG double line the Gateman should place one detonator at one place and 3 detonators at a subsequent place at a distance of ------- a) and------ ... c) 500 meters and 1000 meters d) 600 meters and 1200 meters* e) 800 meters in 1500 meters

Last Answer : d) 600 meters and 1200 meters*

Crossing of plants through fusion of somatic cell

Description : Crossing of plants through fusion of somatic cell

Last Answer : Ans. Somatic hybridization

Which does NOT occur in a cell stimulated by a steroid hormone? A) The steroid hormone enters the cell by crossing the plasma membrane. B) The hormone binds to a receptor molecule in the cytoplasm. C) The second messenger cyclic AMP is stimulated by the hormone-receptor complex. D) The hormone-receptor complex binds the chromatin and activates certain genes. E) DNA is transcribed, mRNA is translated, and the result is protein synthesis.

Description : Which does NOT occur in a cell stimulated by a steroid hormone? A) The steroid hormone enters the cell by crossing the plasma membrane. B) The hormone binds to a receptor molecule in the ... activates certain genes. E) DNA is transcribed, mRNA is translated, and the result is protein synthesis.

Last Answer : C) The second messenger cyclic AMP is stimulated by the hormone-receptor complex. D) The hormone-receptor complex binds the chromatin and activates certain genes.

Which is the most common type of embryo sac in angiosperms ? (a) Tetrasporic with one mitotic stage of divisions (b) Monosporic with three sequential mitotic divisions (c) Monosporic with two sequential mitotic divisions (d) Bisporic with two sequential mitotic divisions

Description : Which is the most common type of embryo sac in angiosperms ? (a) Tetrasporic with one mitotic stage of divisions (b) Monosporic with three sequential mitotic divisions (c) Monosporic with two sequential mitotic divisions (d) Bisporic with two sequential mitotic divisions

Last Answer : (b) Monosporic with three sequential mitotic divisions

What are the rules for ghosts moving on (crossing over)?

Description : What are the rules for ghosts moving on (crossing over)?

Last Answer : answer:Casper has lots of friends. But cartoon friendly ghosts don't follow ghost rules. Usually the ghost needs to resolve what ever led to their untimely death. That's not always possible, ... murderer dies from something unrelated. The ghost never gets resolved and just hangs out for eternity.

Do you watch the various Law and Order programs? Did you know that Mariska is crossing over to the Los Angeles one?

Description : Do you watch the various Law and Order programs? Did you know that Mariska is crossing over to the Los Angeles one?

Last Answer : I love Law&Order and no I didn’t know that! They can’t break up Benson and Stabler!!! Keep me posted. I have to call hubby and tell him this news!

Have you ever stopped yourself from crossing over to the darkside,is there a thin line between being a fan and being pityful ?

Description : Have you ever stopped yourself from crossing over to the darkside,is there a thin line between being a fan and being pityful ?

Last Answer : Yep. Many times they are fun, either to mock or learn from. Either way. Look at the people who speak Klingon (and look at the published Klingon dictionaries.)

What is crossing over? -Biology

Description : What is crossing over? -Biology

Last Answer : answer:

why crossing over cannot occur of linked genes -Biology

Description : why crossing over cannot occur of linked genes -Biology

Last Answer : answer:

why crossing over cannot occur of linked genes -Biology

Description : why crossing over cannot occur of linked genes -Biology

Last Answer : answer:

What is crossing over ?

Description : What is crossing over ?

Last Answer : Answer : The part that exchanges between two non-sister chromatids of a pair of homologous chromosomes is called crossing over.

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)

Crossing over that results in genetic recombination in higher organisms occurs between

Description : Crossing over that results in genetic recombination in higher organisms occurs between

Last Answer : Crossing over that results in genetic recombination in higher organisms occurs between A. Non- ... bivalents D. Sister chromatids of a bivalents

What is crossing over point called?

Description : What is crossing over point called?

Last Answer : Meiosis

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 prophase I of meiosis crossing over results in?

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

Last Answer : Genetic Recombination

How is the process of crossing over and independent assortment alike?

Description : How is the process of crossing over and independent assortment alike?

Last Answer : Feel Free to Answer