When does DNA polymers check mutations?

When does DNA polymers check mutations?
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When does. DNA polymerase check for mutations?

Description : When does. DNA polymerase check for mutations?

Last Answer : During DNA replication

All the following statements about restriction fragment length polymorphism are true except (A) It results from mutations in restriction sites (B) Mutations in restriction sites can occur in coding or non-coding regions of DNA (C) It is inherited in Mendelian fashion (D) It can be used to diagnose any genetic disease

Description : All the following statements about restriction fragment length polymorphism are true except (A) It results from mutations in restriction sites (B) Mutations in restriction sites can occur in coding or non- ... It is inherited in Mendelian fashion (D) It can be used to diagnose any genetic disease

Last Answer : Answer : D

Genetic code is said to be degenerate because (A) It can undergo mutations (B) A large proportion of DNA is non-coding (C) One codon can code for more than one amino acids (D) More than one codons can code for the same amino acids

Description : Genetic code is said to be degenerate because (A) It can undergo mutations (B) A large proportion of DNA is non-coding (C) One codon can code for more than one amino acids (D) More than one codons can code for the same amino acids

Last Answer : Answer : D

In maize, hybrid vigour is exploited by (a) inducing mutations (b) bombarding the protoplast with DNA (c) crossing of two inbred parental lines (d) harvesting seeds from the most productive plants.

Description : In maize, hybrid vigour is exploited by (a) inducing mutations (b) bombarding the protoplast with DNA (c) crossing of two inbred parental lines (d) harvesting seeds from the most productive plants.

Last Answer : (c) crossing of two inbred parental lines

In maize, hybrid vigour is exploited by (a) crossing of two inbred parental lines (b) harvesting seeds from the most productive plants (c) inducing mutations (d) bombarding the seeds with DNA.

Description : In maize, hybrid vigour is exploited by (a) crossing of two inbred parental lines (b) harvesting seeds from the most productive plants (c) inducing mutations (d) bombarding the seeds with DNA.

Last Answer : (a) crossing of two inbred parental lines

Without restriction endonucleases, it would be very difficult to a. Force Plasmids into Bacteria. b. Chemically Open Dna Molecules. c. Replicate Dna In A Recombinant Cell. d. Bring About Mutations In Bacteria.

Description : Without restriction endonucleases, it would be very difficult to a. Force Plasmids into Bacteria. b. Chemically Open Dna Molecules. c. Replicate Dna In A Recombinant Cell. d. Bring About Mutations In Bacteria.

Last Answer : b. Chemically Open Dna Molecules.

Which one of the following is common between prokaryotic and eukaryotic chromosomes? a. Presence or absence of introns. b. Loop or linear chromosomes. c. Genetic recombination occurrence in RNA. d. Mutations occur in the DNA.

Description : Which one of the following is common between prokaryotic and eukaryotic chromosomes? a. Presence or absence of introns. b. Loop or linear chromosomes. c. Genetic recombination occurrence in RNA. d. Mutations occur in the DNA.

Last Answer : d. Mutations occur in the DNA.

Which of the following are examples of repair mechanisms in cells? a. mismatch repair b. excision repair c. DNA polymerase d. DNA ligase e. all are important in fixing mutations

Description : Which of the following are examples of repair mechanisms in cells? a. mismatch repair b. excision repair c. DNA polymerase d. DNA ligase e. all are important in fixing mutations

Last Answer : e. all are important in fixing mutations

Spontaneous mutations could arise from a. DNA replication errors. b. Atmospheric Radiation. c. Addition Of Insertion Sequences. d. All the above (A—C) are correct.

Description : Spontaneous mutations could arise from a. DNA replication errors. b. Atmospheric Radiation. c. Addition Of Insertion Sequences. d. All the above (A—C) are correct.

Last Answer : d. All the above (A—C) are correct.

Which of the following is the correct sequence of events in the origin of life? I. Formation of protobionts II. Synthesis of organic monomers III. Synthesis of organic polymers IV. Formation of DNA-based genetic systems (a) I, II, III, IV (b) I, III, II, IV (c) II, III, I, IV (d) II, III, IV, I

Description : Which of the following is the correct sequence of events in the origin of life? I. Formation of protobionts II. Synthesis of organic monomers III. Synthesis of organic polymers IV. Formation of DNA-based genetic systems (a) I, II, III, IV (b) I, III, II, IV (c) II, III, I, IV (d) II, III, IV, I

Last Answer : c) II, III, I, IV

Why do they track genetic mutations, or changes, back on the mother's line?

Description : Why do they track genetic mutations, or changes, back on the mother's line?

Last Answer : Because Mitochondrial DNA, unlike nuclear DNA, is inherited from the mother, while nuclear DNA is inherited from both parents.

If certain plants mutated, which mutations would cause more impact for society?

Description : If certain plants mutated, which mutations would cause more impact for society?

Last Answer : answer:When I first read the main question I had all sorts of positive scenarios in mind like Honey Crisp apples being able to grow in Florida and Vidalias having a longer growing season. With ... to control crops more, maybe have more hydroponic farms where bad crops can't contaminate good ones.

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How do mutations occur in plants?

Description : How do mutations occur in plants?

Last Answer : First and foremost mutation refers to the change in the structure of the gene.Mutation in plants causes a change in the appearance of flowers, stem and the fruits of the plant. A plant might change ... completely. If the plant is allowed to grow, this gene might be transfered to the next generation.

Assertion :- According to Hugo de Vries , it is mutation which causes speciation and hence called it saltation. Reason :- Mutations are random and dir

Description : Assertion :- According to Hugo de Vries , it is mutation which causes speciation and hence called it saltation. Reason :- Mutations are random and dir

Last Answer : Assertion :- According to Hugo de Vries , it is mutation which causes speciation and hence called it ... . D. If both Assertion & Reason are false.

Variations during mutations of meiotic recombinations are

Description : Variations during mutations of meiotic recombinations are

Last Answer : Variations during mutations of meiotic recombinations are A. Random and directionless B. Randonm and ... and small D. Randonm, small adn directional

The idea of mutations was brought forth by

Description : The idea of mutations was brought forth by

Last Answer : The idea of mutations was brought forth by A. Hardy Weinberg, who worked on allele frequencies in a ... D. Gregor Mendel, who worked on Pisum sativum

Which of the following statements is not true for cancer cells is relation to mutations ?

Description : Which of the following statements is not true for cancer cells is relation to mutations ?

Last Answer : Which of the following statements is not true for cancer cells is relation to mutations ? ... cell cycle D. Mutations destroy telomerase inhibitors

Most of the mutations remain unexpressed because they are

Description : Most of the mutations remain unexpressed because they are

Last Answer : Most of the mutations remain unexpressed because they are A. Too small B. Very significant C. Very few D. Mostly recessive

Gene mutations occurs in

Description : Gene mutations occurs in

Last Answer : Gene mutations occurs in A. Chromosomes B. DNA C. RNA D. Nucleus

Is it true mutations can only occur during interphase?

Description : Is it true mutations can only occur during interphase?

Last Answer : Need answer

How do mutations affect the proteins that are formed?

Description : How do mutations affect the proteins that are formed?

Last Answer : How can DNA control the production of proteins

What is the significance of mutation and repair of mutations to evolution of sexual reproduction?

Description : What is the significance of mutation and repair of mutations to evolution of sexual reproduction?

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What is it called when mutations that cause a cell to divide uncontrollably that can lead to grow?

Description : What is it called when mutations that cause a cell to divide uncontrollably that can lead to grow?

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What effect do MOST mutations have on an organism?

Description : What effect do MOST mutations have on an organism?

Last Answer : What is the answer ?

If one or more of these mutations occurs in the genes of reproductive cells how might the traits of offspring be affected?

Description : If one or more of these mutations occurs in the genes of reproductive cells how might the traits of offspring be affected?

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What is a mutations hunger games?

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How could genetic mutations lead to health disorders and abnormalities?

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What is the significance of mutation and repair of mutations to evolution of sexual reproduction?

Description : What is the significance of mutation and repair of mutations to evolution of sexual reproduction?

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What are mutations?

Description : What are mutations?

Last Answer : Completely new features in genetic material of plants or animals

Is it true that colloidal copper will not only kill the COVID-19 Coronavirus but all the mutations of it?

Description : Is it true that colloidal copper will not only kill the COVID-19 Coronavirus but all the mutations of it?

Last Answer : Colloidal copper is very effective against most bacteria and viruses.Plus- studies show it has other health benefits.It is logical to ... :researchgate.net/publication/341600132_As_Penicillin_is_a_cure_for_bacterial_infection_so_Copper_is_a_cure_for_viral_infectionsDOI: 10.13140/RG.2.2.21924.22400

How do mutations relate to traits?

Description : How do mutations relate to traits?

Last Answer : Mutations cause certain traits.

All the following statements about retino blastoma are true except (A) At least two mutations are required for its development (B) One mutation can be inherited from a parent (C) Children who have inherited one mutation develop retinoblastoma at a younger age (D) RB 1 gene promotes the development of retinoblastoma

Description : All the following statements about retino blastoma are true except (A) At least two mutations are required for its development (B) One mutation can be inherited from a parent (C) Children ... mutation develop retinoblastoma at a younger age (D) RB 1 gene promotes the development of retinoblastoma

Last Answer : Answer : D

Mutations in promoter regions of genes can cause (A) Premature termination of translation (B) Change in reading frame of downstream structural gene (C) Decreased efficiency of transcription (D) All of these

Description : Mutations in promoter regions of genes can cause (A) Premature termination of translation (B) Change in reading frame of downstream structural gene (C) Decreased efficiency of transcription (D) All of these

Last Answer : Answer : C

Suppressor tRNAs can neutralize the effects of mutations in (A) Structural genes (B) Promoter regions (C) Enhancer elements(D) All of these

Description : Suppressor tRNAs can neutralize the effects of mutations in (A) Structural genes (B) Promoter regions (C) Enhancer elements(D) All of these

Last Answer : Answer : A

Suppressor mutations occur in (A) Structural genes (B) Promoter regions (C) Silencer elements (D) Anticodons of tRNA

Description : Suppressor mutations occur in (A) Structural genes (B) Promoter regions (C) Silencer elements (D) Anticodons of tRNA

Last Answer : Answer : D

Mutations can be caused by (A) Nitrosamine (B) Dimethyl sulphate (C) Acridine (D) All of these

Description : Mutations can be caused by (A) Nitrosamine (B) Dimethyl sulphate (C) Acridine (D) All of these

Last Answer : Answer : D

Mutations can be caused by (A) Ultraviolet radiation (B) Ionising radiation (C) Alkylating agents (D) All of these

Description : Mutations can be caused by (A) Ultraviolet radiation (B) Ionising radiation (C) Alkylating agents (D) All of these

Last Answer : Answer : C

All of the following statements about eukaryotic promoters are true except (A) They may be located upstream or down stream from the structural gene (B) They have two consensus sequences (C) One consensus sequence binds RNA polymerase (D) Mutations in promoter region can decrease the efficiency of transcription of the structural gene

Description : All of the following statements about eukaryotic promoters are true except (A) They may be located upstream or down stream from the structural gene (B) They have two consensus sequences ( ... (D) Mutations in promoter region can decrease the efficiency of transcription of the structural gene

Last Answer : Answer : A

Mention the types of mutations. How do they occur?

Description : Mention the types of mutations. How do they occur?

Last Answer : Mutations are of two types – gene mutation and chromosome mutation. Gene mutation can occur naturally or it can be induced. Mutations are due to change in the base sequence of DNA.

What is meant by mutations?

Description : What is meant by mutations?

Last Answer : Any change in the structure or composition of genetic materials such as gene or chromosomes is called mutation.

What are mutations?

Description : What are mutations?

Last Answer : The sudden change in the genetic material of an organism is called mutation.

India’s wheat yield revolution in the 1960s was possible primarily due to (a) hybrid seeds (b) increased chlorophyll content (c) mutations resulting in plant height reduction (d) quantitative trait mutations.

Description : India’s wheat yield revolution in the 1960s was possible primarily due to (a) hybrid seeds (b) increased chlorophyll content (c) mutations resulting in plant height reduction (d) quantitative trait mutations.

Last Answer : (d) quantitative trait mutations.

Haploids are more suitable for mutation studies than the diploids. This is because (a) haploids are more abundant in nature than diploids (b) all mutations, whether dominant or recessive are expressed in haploids (c) haploids are reproductively more stable than diploids (d) mutagens penetrate in haploids more effectively than in diploids.

Description : Haploids are more suitable for mutation studies than the diploids. This is because (a) haploids are more abundant in nature than diploids (b) all mutations, whether dominant or recessive ... more stable than diploids (d) mutagens penetrate in haploids more effectively than in diploids.

Last Answer : (b) all mutations, whether dominant or recessive are expressed in haploids

Which of the following statements is not true for cancer cells in relation to mutations? (a) Mutations inactivate the cell control. (b) Mutations inhibit production of telomerase. (c) Mutations in proto-oncogenes accelerate the cell cycle. (d) Mutations destroy telomerase inhibitor.

Description : Which of the following statements is not true for cancer cells in relation to mutations? (a) Mutations inactivate the cell control. (b) Mutations inhibit production of telomerase. (c) Mutations in proto-oncogenes accelerate the cell cycle. (d) Mutations destroy telomerase inhibitor.

Last Answer : (b) Mutations inhibit production of telomerase

Using imprints from a plate with complete medium and carrying bacterial colonies, you can select streptomycin resistant mutants and prove that such mutations do not originate as adaptation. These imprints need to be used (a) on plates with and without streptomycin (b) on plates with minimal medium (c) only on plates with streptomycin (d) only on plates without streptomycin.

Description : Using imprints from a plate with complete medium and carrying bacterial colonies, you can select streptomycin resistant mutants and prove that such mutations do not originate as adaptation. These ... minimal medium (c) only on plates with streptomycin (d) only on plates without streptomycin.

Last Answer : (d) only on plates without streptomycin.