Gene mutations occurs in

Gene mutations occurs in
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Answer :

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

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

Haploids are able to express both recessive and dominant alleles/mutations because there are (a) many alleles for each gene (b) two alleles for each gene (c) only one allele for each gene in the individual (d) only one allele in a gene.

Description : Haploids are able to express both recessive and dominant alleles/mutations because there are (a) many alleles for each gene (b) two alleles for each gene (c) only one allele for each gene in the individual (d) only one allele in a gene.

Last Answer : (c) only one allele for each gene in the individual

Nondisjunction of a chromosome results in which of the following diagnoses? a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two copies of a particular chromosome (nondisjunction) Down syndrome results from three number 21 chromosomes. b) Huntingon Disease Huntington disease is one example of a germ-line mutation. c) Duchenne Muscular Dystrophy Duchenne muscular dystrophy, an inherited form of muscular dystrophy, is an example of a genetic caused by structural gene mutations. d) Marphan Syndrome Marphan Syndrome is a genetic condition that may occur in a single family member as a result of spontaneous mutation.

Description : Nondisjunction of a chromosome results in which of the following diagnoses? a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two ... genetic condition that may occur in a single family member as a result of spontaneous mutation.

Last Answer : a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two copies of a particular chromosome (nondisjunction) Down syndrome results from three number 21 chromosomes.

Proteomes provide a link between organism’s ________ a. Mutations and recombination b. Gene products and its regulators c. Genetics and physiology d. Tandem repeats and introns

Description : Proteomes provide a link between organism’s ________ a. Mutations and recombination b. Gene products and its regulators c. Genetics and physiology d. Tandem repeats and introns

Last Answer : c. Genetics and physiology

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?

Last Answer : Need answer

A point mutation occurs in a sex cell of an adult chimpanzee. The mutation is located on a gene responsible for the development of the eye. Which describes the most likely effect of this mutation?

Description : A point mutation occurs in a sex cell of an adult chimpanzee. The mutation is located on a gene responsible for the development of the eye. Which describes the most likely effect of this mutation?

Last Answer : The chimpanzee's offspring will have abnormal eyes.

A 65-year old patient has colon carcinoma metastatic to the liver and lungs. He has had a weight loss of 10 kg. Cytokine-dependent tumor cachexia is attributable to which of the following? a. Increased glucose uptake and increased glycogen breakdown occur in this circumstance. b. Suppressed activity of lipoprotein lipase results from TNFa c. TNFa stimulates lipolysis d. The differentiation process of pre-adipocytes is impaired e. Partial reversal of differentiated adipocytes to pre-adipocyte morphology and gene expression occurs

Description : A 65-year old patient has colon carcinoma metastatic to the liver and lungs. He has had a weight loss of 10 kg. Cytokine-dependent tumor cachexia is attributable to which of the ... is impaired e. Partial reversal of differentiated adipocytes to pre-adipocyte morphology and gene expression occurs

Last Answer : Answer: a, b, c, d, e Tumor cachexia appears to be mediated by TNFa. Lipopolysaccharide (LPS), as well as other cytokines, activate a variety of inflammatory cells, most ... chronic syndromes of anorexia, weight loss, and cachexia that are associated with both chronic infection and malignancy

Which one of the following statements is true? a. Plasmids are circular molecules of RNA. b. RNA replicates by a conservative method of replication. c. Deletions or insertions of a nucleotide in a gene will cause a reading frameshift during translation. d. Okazaki fragments are removed from a RNA before translation occurs.

Description : Which one of the following statements is true? a. Plasmids are circular molecules of RNA. b. RNA replicates by a conservative method of replication. c. Deletions or insertions of a ... reading frameshift during translation. d. Okazaki fragments are removed from a RNA before translation occurs.

Last Answer : c. Deletions or insertions of a nucleotide in a gene will cause a reading frameshift during translation.

When composite transposons are formed A- a small deletion occurs in the transposase gene of an IS element B- a small deletion occurs in the transposase gene of an IS element and plasmid is integrated C- an IS element integrates with another IS element with the help of a plasmid D- two IS elements integrate into a chromosome with only a small distance separating them

Description : When composite transposons are formed A- a small deletion occurs in the transposase gene of an IS element B- a small deletion occurs in the transposase gene of an IS element and plasmid is ... a plasmid D- two IS elements integrate into a chromosome with only a small distance separating them

Last Answer : two IS elements integrate into a chromosome with only a small distance separating them

The positive inotropic action of digoxin takes several hours to develop because: A. Binding of digoxin to Na+K+ATPase is slow B. After Na+K+ATPase inhibition by digoxin, Ca2+ loading of myocardial fibres occurs progressively with each contraction C. Digoxin inhibits Na+K+ATPase through modification of gene function which takes time D. Both ‘A’ and ‘B’ are correc

Description : The positive inotropic action of digoxin takes several hours to develop because: A. Binding of digoxin to Na+K+ATPase is slow B. After Na+K+ATPase inhibition by digoxin, Ca2+ loading of myocardial ... +ATPase through modification of gene function which takes time D. Both A' and B' are correc

Last Answer : D. Both ‘A’ and ‘B’ are correct

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.

What are induced mutations? -Biology

Description : What are induced mutations? -Biology

Last Answer : answer:

Difference between spontaneous and induced mutations? -Biology

Description : Difference between spontaneous and induced mutations? -Biology

Last Answer : answer:

Mutations in HIV virus. -Biology

Description : Mutations in HIV virus. -Biology

Last Answer : answer:

Where do germline mutations occur? -Biology

Description : Where do germline mutations occur? -Biology

Last Answer : answer:

Where do germline mutations occur? -Biology

Description : Where do germline mutations occur? -Biology

Last Answer : answer:

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

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?

Last Answer : meow

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?

Last Answer : Feel Free to Answer

When does DNA polymers check mutations?

Description : When does DNA polymers check mutations?

Last Answer : Feel Free to Answer

When does. DNA polymerase check for mutations?

Description : When does. DNA polymerase check for mutations?

Last Answer : During DNA replication

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 ?

What is a mutations hunger games?

Description : What is a mutations hunger games?

Last Answer : Need answer

How could genetic mutations lead to health disorders and abnormalities?

Description : How could genetic mutations lead to health disorders and abnormalities?

Last Answer : Need answer

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?

Last Answer : meow

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 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

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

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

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.

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