Crossing of plants through fusion of somatic cell

Crossing of plants through fusion of somatic cell
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 Ans. Somatic hybridization
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Transgenic plants are the ones (a) generated by introducing foreign DNA into a cell and regenerating a plant from that cell (b) produced after protoplast fusion in artificial medium(c) grown in artificial medium after hybridization in the field (d) produced by a somatic embryo in artificial medium.

Description : Transgenic plants are the ones (a) generated by introducing foreign DNA into a cell and regenerating a plant from that cell (b) produced after protoplast fusion in artificial medium (c) grown in ... medium after hybridization in the field (d) produced by a somatic embryo in artificial medium.

Last Answer : (a) generated by introducing foreign DNA into a

Which one of the following is a case of wrong matching? (a) Somatic – Fusion of two hybridization diverse cells (b) Vector DNA – Site for tRNA synthesis (c) Micropropagation – In vitro production of plants in large numbers (d) Callus – Unorganised mass of cells produced in tissue culture

Description : Which one of the following is a case of wrong matching? (a) Somatic – Fusion of two hybridization diverse cells (b) Vector DNA – Site for tRNA synthesis (c) Micropropagation – In vitro production of plants in large numbers (d) Callus – Unorganised mass of cells produced in tissue culture

Last Answer : (b) Vector DNA – Site for tRNA synthesis

9. Which one of the following is a case of wrong matching ? (1) Callus - Unorganised mass of cells produced in tissue culture (2) Somatic hybridization - Fusion of two diverse cells (3) Vector DNA - Site for t-RNA synthesis (4) Micropropagation - In vitro production of plants in large number

Description : 9. Which one of the following is a case of wrong matching ? (1) Callus - Unorganised mass of cells produced in tissue culture (2) Somatic hybridization - Fusion of two diverse cells (3) Vector DNA - Site for t-RNA synthesis (4) Micropropagation - In vitro production of plants in large number

Last Answer : Vector DNA - Site for t-RNA synthesis

Chimera refers to a. Somatic cell fusion b. Gametic cell fusion c. Undiffereciated cell d. None

Description : Chimera refers to a. Somatic cell fusion b. Gametic cell fusion c. Undiffereciated cell d. None

Last Answer : Somatic cell fusion

A process of formation of somatic embryos from callus

Description : A process of formation of somatic embryos from callus

Last Answer : Ans. Embryogenesis

A variety produced by crossing in all combinations a number of lines that combine well each other

Description : A variety produced by crossing in all combinations a number of lines that combine well each other

Last Answer : Ans. Synthetic variety

Repeated crossing of hybrid progeny back to one of its parents

Description : Repeated crossing of hybrid progeny back to one of its parents

Last Answer : Ans. Back Cross

In which stage, crossing over takes place?

Description : In which stage, crossing over takes place?

Last Answer : Ans. Pachytene stage

Crossing over and recombination occur during

Description : Crossing over and recombination occur during

Last Answer : Ans. Meiosis division

What is somatic hybridization in plants? -Biology

Description : What is somatic hybridization in plants? -Biology

Last Answer : answer:

Seed formation without fertilisation in flowering plants involves the process of (a) somatic hybridisation (b) apomixis (c) sporulation (d) budding

Description : Seed formation without fertilisation in flowering plants involves the process of (a) somatic hybridisation (b) apomixis (c) sporulation (d) budding

Last Answer : (b) apomixis

What is the difference between a somatic cell and a germ cell?

Description : What is the difference between a somatic cell and a germ cell?

Last Answer : A: A somatic cell is any cell in the body that is not a germ cell, which are the cells that give rise to eggs or sperm. Somatic cells are diploid, meaning they have two copies of each chromosome, while germ cells are haploid, meaning they have only one copy of each chromosome.

The somatic cell hybrids are produced with the help of -Biology

Description : The somatic cell hybrids are produced with the help of -Biology

Last Answer : answer:

The somatic cell hybrids are produced with the help of -Biology

Description : The somatic cell hybrids are produced with the help of -Biology

Last Answer : answer:

Assertion : Somatic embros can be induced from any cell in plant tissue culture. Reason : Any living plant cell is capable of differentiating into som

Description : Assertion : Somatic embros can be induced from any cell in plant tissue culture. Reason : Any living plant cell is capable of differentiating into som

Last Answer : Assertion : Somatic embros can be induced from any cell in plant tissue culture. Reason : Any ... false D. If both assertion and reason are false

Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : Any viable plant cell can differentiate into somatic

Description : Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : Any viable plant cell can differentiate into somatic

Last Answer : Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : ... false D. If both assertion and reason are false

Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : Any viable plant cell can differentiate into somatic

Description : Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : Any viable plant cell can differentiate into somatic

Last Answer : Assertion : In plant tissue culture somatic embryos can be induced from any plant cell. Reason : ... false D. If both assertion and reason are false

A somatic cell that has just completed has just completed the S-phase of its cell cycle, as compared to gamete of the same species, has

Description : A somatic cell that has just completed has just completed the S-phase of its cell cycle, as compared to gamete of the same species, has

Last Answer : A somatic cell that has just completed has just completed the S-phase of its cell cycle, as ... the number of chromosomes and twice the amount of DNA

In the somatic cell cycle.

Description : In the somatic cell cycle.

Last Answer : In the somatic cell cycle. A. DNA replication takes place in S-phase B. A short interphase ... double the amount of DNA present in the original cell

A human somatic cell has 46 chromosomes. How many chromosomes are in a human gamete?

Description : A human somatic cell has 46 chromosomes. How many chromosomes are in a human gamete?

Last Answer : 23

The number of chromosomes present in the somatic cell of the human cell is - (1) 23 (2) 44 (3) 46 (4) 92

Description : The number of chromosomes present in the somatic cell of the human cell is - (1) 23 (2) 44 (3) 46 (4) 92

Last Answer : (3) 46 Explanation: Human cells have 23 pairs of chromosomes (22 pairs of autosomes and one pair of sex chromosomes), giving a total of 46 per cell.

Which of the following statements is not true about somatic embryogenesis? (a) The pattern of development of a somatic embryo is comparable to that of a zygotic embryo. (b) Somatic embryos can develop from microspores. (c) Somatic embryo is induced usually by an auxin such as 2, 4-D. (d) A somatic embryo develops from a somatic cell.

Description : Which of the following statements is not true about somatic embryogenesis? (a) The pattern of development of a somatic embryo is comparable to that of a zygotic embryo. (b) Somatic embryos can develop from ... an auxin such as 2, 4-D. (d) A somatic embryo develops from a somatic cell.

Last Answer : (b) Somatic embryos can develop from microspores.

In a somatic cell cycle, DNA synthesis takes place in (a) G1 phase (b) prophase of mitosis (c) S-phase (d) G2 phase.

Description : In a somatic cell cycle, DNA synthesis takes place in (a) G1 phase (b) prophase of mitosis (c) S-phase (d) G2 phase.

Last Answer : (c) S-phase

In the somatic cell cycle (a) in G1 phase DNA content is double the amount of DNA present in the original cell (b) DNA replication takes place in S phase (c) a short interphase is followed by a long mitotic phase (d) G2 phase follows mitotic phase.

Description : In the somatic cell cycle (a) in G1 phase DNA content is double the amount of DNA present in the original cell (b) DNA replication takes place in S phase (c) a short interphase is followed by a long mitotic phase (d) G2 phase follows mitotic phase.

Last Answer : (b) DNA replication takes place in S phase

A somatic cell that has just completed the S phase of its cell cycle, as compared to gamete of the same species, has (a) twice the number of chromosomes and four times the amount of DNA(b) four times the number of chromosomes and twice the amount of DNA (c) twice the number of chromosomes and twice the amount of DNA (d) same number of chromosomes but twice the amount of DNA

Description : A somatic cell that has just completed the S phase of its cell cycle, as compared to gamete of the same species, has (a) twice the number of chromosomes and four times the amount of DNA (b) ... of chromosomes and twice the amount of DNA (d) same number of chromosomes but twice the amount of DNA

Last Answer : (a) twice the number of chromosomes and four times the amount of DNA

How many chromosomes are in a human somatic cell?

Description : How many chromosomes are in a human somatic cell?

Last Answer : •Somatic cells (nonreproductive cells) have two sets of chromosomes

Wucheria are found in ---------- a) lymphatics vessel and lymph nodes b) Somatic cell c) both a and b d) none

Description : Wucheria are found in ---------- a) lymphatics vessel and lymph nodes b) Somatic cell c) both a and b d) none

Last Answer : a) lymphatics vessel and lymph nodes

2. A human cell containing 22 autosomes and a Y chromosome is probably a a) somatic cell of male b) sperm cell c) somatic cell of female d) unfertilized egg cell

Description : 2. A human cell containing 22 autosomes and a Y chromosome is probably a a) somatic cell of male b) sperm cell c) somatic cell of female d) unfertilized egg cell

Last Answer : b) sperm cell

The number of chromosomes present in the somatic cell of the human cell is (1) 23 (2) 44 (3) 46 (4) 92

Description : The number of chromosomes present in the somatic cell of the human cell is (1) 23 (2) 44 (3) 46 (4) 92

Last Answer : 46

Somatic hybridisation is achieved through ?

Description : Somatic hybridisation is achieved through ?

Last Answer : Somatic hybridisation is achieved through ? A. Grafting B. Protoplast fusion C. Conjugation D. Recombinant DNA technology

Multiplication of cell of large number of plants placed in appropriate environment conditions with required nutrients is known as

Description : Multiplication of cell of large number of plants placed in appropriate environment conditions with required nutrients is known as

Last Answer : Ans. Plant tissue or in vitro culture

Which plastid of cell is responsible for storage of starch and fat in plants?

Description : Which plastid of cell is responsible for storage of starch and fat in plants?

Last Answer : Ans. Leucoplast

Which plastid of cell is responsible for colour in plants?

Description : Which plastid of cell is responsible for colour in plants?

Last Answer : Ans. Chromoplast

Which plastid of cell is responsible for photosynthesis in plants?

Description : Which plastid of cell is responsible for photosynthesis in plants?

Last Answer : Ans. Chloroplast

Which organelles of cell are found only in plants?

Description : Which organelles of cell are found only in plants?

Last Answer : Ans. Plastids, Spherosome

The plants, which produce food themselves through photosynthesis?

Description : The plants, which produce food themselves through photosynthesis?

Last Answer : Ans. Phototrophs

Nutrients absorbed by plants from soil solution are carried upward through the

Description : Nutrients absorbed by plants from soil solution are carried upward through the

Last Answer : Ans. Xylem

Water is absorption by plants mainly through

Description : Water is absorption by plants mainly through

Last Answer : Ans. Root hairs

unlike the somatic nervous system, the autonomic nervous system -General Knowledge

Description : unlike the somatic nervous system, the autonomic nervous system -General Knowledge

Last Answer : The given statement is true.

What is the role of polyethylene glycol in somatic hybridization? -Biology

Description : What is the role of polyethylene glycol in somatic hybridization? -Biology

Last Answer : answer:

Selection of somatic hybrid cells? -Biology

Description : Selection of somatic hybrid cells? -Biology

Last Answer : answer:

What are the processes involved in the encapsulation of the somatic embryos? -Biology

Description : What are the processes involved in the encapsulation of the somatic embryos? -Biology

Last Answer : answer:

Selection of somatic hybrid cells? -Biology

Description : Selection of somatic hybrid cells? -Biology

Last Answer : answer:

What are the processes involved in the encapsulation of the somatic embryos? -Biology

Description : What are the processes involved in the encapsulation of the somatic embryos? -Biology

Last Answer : answer:

What is somatic gene therapy? -Biology

Description : What is somatic gene therapy? -Biology

Last Answer : answer:

What is somatic gene therapy? -Biology

Description : What is somatic gene therapy? -Biology

Last Answer : answer:

Difference between somatic and germline mutation -Biology

Description : Difference between somatic and germline mutation -Biology

Last Answer : answer:

Difference between somatic and germline mutation -Biology

Description : Difference between somatic and germline mutation -Biology

Last Answer : answer:

In the human anatomy, eggs and Sperm are a form of which of the followingA.Asexual reproduction B.Sexual reproduction C.GametesD.Somatic cells?

Description : In the human anatomy, eggs and Sperm are a form of which of the followingA.Asexual reproduction B.Sexual reproduction C.GametesD.Somatic cells?

Last Answer : The answer is C. Gametes

$ Meiosis is a requirements of sexual reproduction. ! Meiosis occurs in somatic cells.

Description : $ Meiosis is a requirements of sexual reproduction. ! Meiosis occurs in somatic cells.

Last Answer : $ Meiosis is a requirements of sexual reproduction. ! Meiosis occurs in somatic cells. A. If both As and R ... is wrong D. If both As and R are wrong.