What is gene mutation? -Biology

What is gene mutation? -Biology
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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.

How does a mutation in a gene affect the order of DNA based?

Description : How does a mutation in a gene affect the order of DNA based?

Last Answer : A mutation in a gene can happen by addition, deletion orsubstitution of base pairs. This means that the order of the baseswill change- a new base may be added, a base may be lost, or onebase ... occurs in a sex cell, themutation can be passed on to an offspring and affect theoffspring's phenotype.

How is it possible for a point mutation to have no effect on the function of the gene TAC CG?

Description : How is it possible for a point mutation to have no effect on the function of the gene TAC CG?

Last Answer : Feel Free to Answer

Cancer cells may become resistant to amethopterin by (A) Developing mechanisms to destroy amethopterin (B) Amplification of dihydrofolate reducatse gene (C) Mutation in the dihydrofolate reductase gene so that the enzyme is no longer inhibited by amethopterin (D) Developing alternate pathway of thymidylate synthesis

Description : Cancer cells may become resistant to amethopterin by (A) Developing mechanisms to destroy amethopterin (B) Amplification of dihydrofolate reducatse gene (C) Mutation in the dihydrofolate reductase ... is no longer inhibited by amethopterin (D) Developing alternate pathway of thymidylate synthesis

Last Answer : Answer : B

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

Retinoblastoma can result from a mutation in (A) ras proto-oncogene (B) erbB proto-oncogene (C) p 53 gene (D) RB 1 gene

Description : Retinoblastoma can result from a mutation in (A) ras proto-oncogene (B) erbB proto-oncogene (C) p 53 gene (D) RB 1 gene

Last Answer : Answer : D

Ras proto-oncogene is converted into oncogene by (A) A point mutation (B) Chromosomal translocation (C) Insertion of a viral promoter upstream of the gene (D) Gene amplification

Description : Ras proto-oncogene is converted into oncogene by (A) A point mutation (B) Chromosomal translocation (C) Insertion of a viral promoter upstream of the gene (D) Gene amplification

Last Answer : Answer : A

Marfan’s syndrome results from a mutation in the gene coding: (A) Collagen (B) Elastin (C) Fibrillin (D) Keratin

Description : Marfan’s syndrome results from a mutation in the gene coding: (A) Collagen (B) Elastin (C) Fibrillin (D) Keratin

Last Answer : Answer : B

When one gene pair hides the effect of the other unit, the phenomenon is referred to as: (1) Epistasis (2) Mutation (3) None of the options (4) Dominance

Description : When one gene pair hides the effect of the other unit, the phenomenon is referred to as: (1) Epistasis (2) Mutation (3) None of the options (4) Dominance

Last Answer : (1) Epistasis Explanation: Epistasis refers to the phenomenon in which one gene hides the effect of the other. In other word, it does not allow the other gene to express itself. This is counterpart of ... may be in one direction only meaning that ei-ther A hides the effect of B or vice versa.

Gamma rays can cause – (1) gene mutation (2) sneezing (3) burning (4) fever

Description : Gamma rays can cause – (1) gene mutation (2) sneezing (3) burning (4) fever

Last Answer : (1) gene mutation Explanation: In molecular biology and genetics, mutations are accidental changes in a genomic sequence of DNA: the DNA sequence of a cell's genome or the DNA or RNA ... viruses, transposons and mutagenic chemicals, as well as errors that, occur during meiosis or DNA replication.

Which enzyme will be produced in a cell if there is a nonsense mutation in the lac Y gene? (a) Transacetylase (b) Lactose permease and transacetylase (c) β-galactosidase (d) Lactose permease

Description : Which enzyme will be produced in a cell if there is a nonsense mutation in the lac Y gene? (a) Transacetylase (b) Lactose permease and transacetylase (c) β-galactosidase (d) Lactose permease

Last Answer : β-galactosidase

A gene pair hides the effect of another gene. The phenomenon is called (a) dominance (b) segregation (c) epistasis (d) mutation

Description : A gene pair hides the effect of another gene. The phenomenon is called (a) dominance (b) segregation (c) epistasis (d) mutation

Last Answer : (c) epistasis

A heritable change in DNA is called a ______. a. mistake b. mutation c. gene d. pathogen

Description : A heritable change in DNA is called a ______. a. mistake b. mutation c. gene d. pathogen

Last Answer : b. mutation

A specific BRCA1 cancer-predisposing gene mutation seems to occur more frequently among women of which descent? a) Ashkanazi Jewish Expression of the BRCA1 gene is an example of inheritance in the development of breast cancer. b) Mediterranean Glucose-6-phosphate dehydrogenase deficiency (G6PD) is a common enzyme abnormality that affects millions of people throughout the world, especially those of Mediterranean, South East Asian, African, Middle Eastern, and Near Eastern origin.

Description : A specific BRCA1 cancer-predisposing gene mutation seems to occur more frequently among women of which descent? a) Ashkanazi Jewish Expression of the BRCA1 gene is an example of ... of treatment for tuberculosis) are at significantly increased risk for developing isoniazid-induced hepatitis.

Last Answer : a) Ashkanazi Jewish Expression of the BRCA1 gene is an example of inheritance in the development of breast cancer.

Which type of Mendelian inherited condition results in both genders being affected equally in a vertical pattern? a) Automosomal dominant inheritance An individual who has an autosomal dominant inherited condition carries a gene mutation for that condition on one chromosome of a pair. b) Automosomal recessive inheritance The pattern of inheritance in autosomal recessive inherited conditions is different from that of autosomal dominant inherited conditions in that it is more horizontal than vertical, with relatives of a single generation tending to have the condition. c) X-linked inheritance X-linked conditions may be inherited in families in recessive or dominant patterns.

Description : Which type of Mendelian inherited condition results in both genders being affected equally in a vertical pattern? a) Automosomal dominant inheritance An individual who has an autosomal dominant ... that combine during early embryonic development leading to incomplete closure of the neural tube.

Last Answer : a) Automosomal dominant inheritance An individual who has an autosomal dominant inherited condition carries a gene mutation for that condition on one chromosome of a pair.

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.

27. A ‘single step-large mutation’ is known as ... b) Branching descent b) Natural Selection c) Saltation d) Gene Migration

Description : 27. A ‘single step-large mutation’ is known as ... b) Branching descent b) Natural Selection c) Saltation d) Gene Migration

Last Answer : c) Saltation

7. A ‘single step-large mutation’ is known as ... a) Branching descent b) Natural Selection c) Saltation d) Gene Migration

Description : 7. A ‘single step-large mutation’ is known as ... a) Branching descent b) Natural Selection c) Saltation d) Gene Migration

Last Answer : c) Saltation

_______________ acts to inhibit reproductive isolation. A) Mutation B) Natural selection C) Genetic drift D) Gene flow

Description : _______________ acts to inhibit reproductive isolation. A) Mutation B) Natural selection C) Genetic drift D) Gene flow

Last Answer : D) Gene flow

The origin of a new species first requires A) reduced gene flow. B) increased gene flow. C) reduced mutation rates. D) increased mutation rates.

Description : The origin of a new species first requires A) reduced gene flow. B) increased gene flow. C) reduced mutation rates. D) increased mutation rates.

Last Answer : A) reduced gene flow.

If a gene mutation prevents formation of an enzyme normally used by a lysosomes, a disease may result known as (A) Lysosomal abstracted disease (B) Lysosomal secretory disease (C) Lysosomal storage disease (D) All A, B and C

Description : If a gene mutation prevents formation of an enzyme normally used by a lysosomes, a disease may result known as (A) Lysosomal abstracted disease (B) Lysosomal secretory disease (C) Lysosomal storage disease (D) All A, B and C

Last Answer : (C) Lysosomal storage disease

The type of gene interaction in which the effects of one gene override or mask the effects of other entirely different genes is called: a) linkage b) mutation c) pleitropy (pron: ply-ah-tropy) d) epistasis (pron: eh-pis-te-sis)

Description : The type of gene interaction in which the effects of one gene override or mask the effects of other entirely different genes is called: a) linkage b) mutation c) pleitropy (pron: ply-ah-tropy) d) epistasis (pron: eh-pis-te-sis)

Last Answer : ANSWER: D -- EPISTASIS

When one gene pair hides the effect of the other unit, the phenomenon is referred to as: (1) Epistasis (2) Mutation (3) None of the options (4) Dominance

Description : When one gene pair hides the effect of the other unit, the phenomenon is referred to as: (1) Epistasis (2) Mutation (3) None of the options (4) Dominance

Last Answer : Epistasis

Gamma rays can cause (1) gene mutation (2) sneezing (3) burning (4) fever

Description : Gamma rays can cause (1) gene mutation (2) sneezing (3) burning (4) fever

Last Answer : gene mutation

Viruses can undergo mutation. What does it mean? -Biology

Description : Viruses can undergo mutation. What does it mean? -Biology

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Explain Frameshift mutation? -Biology

Description : Explain Frameshift mutation? -Biology

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What is point mutation? Give examples. -Biology

Description : What is point mutation? Give examples. -Biology

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Difference between a mutation and a mutagen -Biology

Description : Difference between a mutation and a mutagen -Biology

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Difference between somatic and germline mutation -Biology

Description : Difference between somatic and germline mutation -Biology

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Difference between a mutation and a mutagen -Biology

Description : Difference between a mutation and a mutagen -Biology

Last Answer : answer:

Difference between somatic and germline mutation -Biology

Description : Difference between somatic and germline mutation -Biology

Last Answer : answer:

What is a mutation?

Description : What is a mutation?

Last Answer : A mutation is a change in the DNA sequence that can result in a change in the protein produced or the function of the gene.

What is a mutation?

Description : What is a mutation?

Last Answer : A: A mutation is a change in the DNA sequence of an organism, often caused by errors during DNA replication or exposure to mutagens such as radiation or chemicals.

What is a mutation?

Description : What is a mutation?

Last Answer : A: A mutation is a change in the DNA sequence that can result in a different protein or RNA molecule being produced.

What is the difference between a mutation and a variation?

Description : What is the difference between a mutation and a variation?

Last Answer : A: A mutation refers to a permanent change in the DNA sequence, while a variation refers to any difference in the physical or genetic traits of an organism.

What is the difference between a mutation and a genetic variation?

Description : What is the difference between a mutation and a genetic variation?

Last Answer : A: A mutation is a change in the DNA sequence, while genetic variation refers to differences in the DNA sequence between individuals in a population.

Which insect or animal mutation would you care to deal with if man created?

Description : Which insect or animal mutation would you care to deal with if man created?

Last Answer : answer:Instead of answering, I will “question the question”...do I have to choose? Seriously. All of these choices sound horrible.

Technical virology questions about ERVs and RNA vs. DNA viral rates of mutation?

Description : Technical virology questions about ERVs and RNA vs. DNA viral rates of mutation?

Last Answer : You’re going to make me dig out my old biochemistry texts for this one. Don’t have time now but I’ll do it when I get home from work.

What X-Men style mutation do you think would suit you best?

Description : What X-Men style mutation do you think would suit you best?

Last Answer : With my personality, I think a more “cerebral” mutation would fit me best. I wouldn’t do well with enhanced strength or speed. Probably something like Professor Xavier’s telepathy, Jean Grey’s telekinesis, or the ability to heal.

How does DNA polymerase prevent mutation?

Description : How does DNA polymerase prevent mutation?

Last Answer : It checks DNA for errors during replication.

A mutation occurs in an eye cell of a fully-grown monkey. What will most likely happen to the monkey?

Description : A mutation occurs in an eye cell of a fully-grown monkey. What will most likely happen to the monkey?

Last Answer : This depends on what kind of mutation occurs. You don't say whatthe mutation/result of the mutation is, so who knows what willhappen to the monkey

who wants to write an example of a frameshift mutation using the following sentence: THE CAT SAW THE RAT. Which sentence best shows a frameshift mutation?

Description : who wants to write an example of a frameshift mutation using the following sentence: THE CAT SAW THE RAT. Which sentence best shows a frameshift mutation?

Last Answer : A. THC ATS AWT HER AT.

What is mutation ?

Description : What is mutation ?

Last Answer : : A mutation is an abnormal change in the genome of an organism, that is, the qualitative or quantitative change of any genetic material.

Who is the proponent of mutation theory ?

Last Answer : The Vris, a proponent of mutation theory

Is a new mutation really created?

Description : What if this coronavirus mutation spreads?

Last Answer : Yes, this is new news and a new reason to close from January onwards.

When does the mutation in boys end?

Description : I guess it's not forever.

Last Answer : At the end of puberty. It's different for everyone

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.

Match the column and find correct combination: `{:(,"Column I",,"Column II"),((a),"Drawub",p,"Mutation theory"),((b),"De Vries",q,"Protobiosis"),((c),

Description : Match the column and find correct combination: `{:(,"Column I",,"Column II"),((a),"Drawub",p,"Mutation theory"),((b),"De Vries",q,"Protobiosis"),((c),

Last Answer : Match the column and find correct combination: `{:(,"Column I",,"Column II"),((a),"Drawub",p,"Mutation theory"),((b), ... q, d=p D. a=r, b=t, c=p, d=q

Hogo de Vries gave his mutation theory on organic evolution while working on `:`

Description : Hogo de Vries gave his mutation theory on organic evolution while working on `:`

Last Answer : Hogo de Vries gave his mutation theory on organic evolution while working on `:` A. ... Drosophila melanogaster C. Pisum stivum D. Althena rosea

Name of the scientis who gave Mutation Theory :

Description : Name of the scientis who gave Mutation Theory :

Last Answer : Name of the scientis who gave Mutation Theory : A. Wallace B. Malthus C. Drawin D. De Vries