Selection of somatic hybrid cells? -Biology

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Description : Selection of somatic hybrid cells? -Biology

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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

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.

Description : Somatic chromosome number is 40. what shall be chromosome number in the cells of seminiferous tubule?

Last Answer : Somatic chromosome number is 40. what shall be chromosome number in the cells of seminiferous tubule? A. 40 B. 20 C. 10 D. 40 and 20

Description : Where does mitosis happen in somatic or germ cells?

Last Answer : Mitosis happens in the somatic cell

Description : Transgenic animals may be prepared by introducing a foreign gene into (A) Somatic cells of young animals (B) Testes and ovaries of animals (C) A viral vector and infecting the animals with the viral vector (D) Fertilised egg and implanting the egg into a foster mother

Last Answer : Answer : D

Description : S1 nuclease hydrolyses (A) DNA of somatic cells (B) DNA of sperms (C) Any double stranded DNA (D) Any single stranded DNA

Last Answer : Answer : D

Description : With reference to plant tissue culture select the matching pair: (1) Sterile triploid—banana and seedless fruit (2) Somaclonal variations—differences appearing (3) Embryoids—non-zygatic embryo produced from somatic cells (4) Pulses—belong to cruciferae

Last Answer : Ans. ((a))

Description : The process of the division of somatic cells of an organism is called (a) Mitosis (b) Meiosis (c) Cytokinesis (d) None of these

Last Answer : Ans:(a)

Description : 'Barr body' is found in - (1) Sperm (2) Sertoli cells (3) Female somatic cells (4) Male somatic cells

Last Answer : (3) Female somatic cells Explanation: A Barr body is the inactive X chromosome in a female somatic cell in those species in which sex is determined by the presence of the Y or W chromosome rather ... typical human female has only one Barr body per somatic cell, while a typical human male has none.

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

Description : Adult human RBCs are enucleate. Which of the following statement(s) is/are most appropriate explanation for this feature? (1) They do not need to reproduce. (2) They are somatic cells. (3) They do not metabolise. (4) All their internal ... Only (1) (b) (1), (3) and (4) (c) (2) and (3) (d) Only (4)

Last Answer : (d) Only (4)

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

Description : Think carefully, now. How many DNA molecules are in each of your somatic cells?

Last Answer : •In preparation for cell division, DNA is replicated and the chromosomes condense •Each duplicated chromosome has two sister chromatids, which separate during cell division, but a single DNA MOLECULE

Description : Name two types of somatic cells in your body.

Last Answer : Brain and liver

Description : Adult human RBCs are enucleated. Which of the following statement(s) is/are most appropriate explanation for this feature ? (a) They do not need to reproduce (b) They are somatic cells (c) They do not metabolize (d) All their internal space ... (a) (2) (a), (c) and (d) (3) (b) and (c) (4) only (d)

Last Answer : (4) only (d)

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

Description : Somatic cells of a human have ____ chromosomes and are called (A) 10, haploid (B) 92, diploid (C) 23, haploid (D) 46, diploid

Last Answer : (D) 46, diploid

Description : ‘Barr body’ is found in (1) Sperm (2) Sertoli cells (3) Female somatic cells (4) Male somatic cells

Last Answer : Female somatic cells

Description : Assertion : In case of vegetatively propagated crops, pure line selection is not requried. Reason : Hybrid vigour is mostly used in vegetatively propa

Last Answer : Assertion : In case of vegetatively propagated crops, pure line selection is not requried. Reason : ... D. If both assertion and reason are false

Description : What is somatic hybridization in plants? -Biology

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

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

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

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

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

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Description : What is somatic gene therapy? -Biology

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Description : What is somatic gene therapy? -Biology

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Description : Difference between somatic and germline mutation -Biology

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Description : Difference between somatic and germline mutation -Biology

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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.

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

Last Answer : The given statement is true.

Description : Somatic hybridisation is achieved through ?

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

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

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

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

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

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

Description : What neurotransmitter controls the somatic nervous system and how does it work?

Last Answer : Acetylcholine (ACh) is the only neurotransmitter used in themotor division of the somatic nervous system. It works by bindingto acetylcholine receptors on skeletal muscle fibers and openingligand-gated sodium channels in the cell membrane.

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

Last Answer : 23

Description : Crossing of plants through fusion of somatic cell

Last Answer : Ans. Somatic hybridization

Description : A process of formation of somatic embryos from callus

Last Answer : Ans. Embryogenesis

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.

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

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.

Description : Breeding of crops with high levels of minerals, vitamins and proteins is called (a) somatic hybridisation (b) biofortification (c) biomagnification (d) micropropagation.

Last Answer : (b) biofortification

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

Last Answer : Somatic cell fusion

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

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

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