Crossing over that results in genetic recombination in higher organisms occurs between

Crossing over that results in genetic recombination in higher organisms occurs between
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Crossing over that results in genetic recombination in higher organisms occurs between A. Non- ... bivalents D. Sister chromatids of a bivalents
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Crossing over and recombination occur during

Description : Crossing over and recombination occur during

Last Answer : Ans. Meiosis division

Crossing over in diploid organism is responsible for (a) segregation of alleles (b) recombination of linked alleles (c) dominance of genes (d) linkage between genes.

Description : Crossing over in diploid organism is responsible for (a) segregation of alleles (b) recombination of linked alleles (c) dominance of genes (d) linkage between genes.

Last Answer : b) recombination of linked alleles

Lack of independent assortment of two genes A and B in fruit fly Drosophila is due to (a) repulsion (b) recombination (c) linkage (d) crossing over.

Description : Lack of independent assortment of two genes A and B in fruit fly Drosophila is due to (a) repulsion (b) recombination (c) linkage (d) crossing over.

Last Answer : (c) linkage

A change in genetic constitution, which arises suddenly and not to segregation and recombination of genes in sexual reproduction is called as: a. Hybridization b. Bud variation c. Mutation d. Non of them

Description : A change in genetic constitution, which arises suddenly and not to segregation and recombination of genes in sexual reproduction is called as: a. Hybridization b. Bud variation c. Mutation d. Non of them

Last Answer : Mutation

Newly emerging viruses causing human disease can arise from a. Species Jumping. b. Mutations. c. Genetic Recombination. d. All Of The Above (A—C) Are Correct.

Description : Newly emerging viruses causing human disease can arise from a. Species Jumping. b. Mutations. c. Genetic Recombination. d. All Of The Above (A—C) Are Correct.

Last Answer : d. All Of The Above (A—C) Are Correct.

Which one of the following is NOT an example of genetic recombination? a. Conjugation b. Binary fission c. Transduction d. Transformation

Description : Which one of the following is NOT an example of genetic recombination? a. Conjugation b. Binary fission c. Transduction d. Transformation

Last Answer : c. Transduction

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 type of recombination does not require homologous sequences and isutilized by mobile genetic elements that move about chromosomes? A.Mutagenicrecombimation B.Site-specific recombination C.Replicative recombination D.General recombination

Description : Which of the following type of recombination does not require homologous sequences and isutilized by mobile genetic elements that move about chromosomes? A.Mutagenicrecombimation B.Site-specific recombination  C.Replicative recombination  D.General recombination

Last Answer : C.Replicative recombination

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

Antibody diversity results from a. Apoptosis. b. Antigenic shift. c. Somatic recombination. d. Complement binding.

Description : Antibody diversity results from a. Apoptosis. b. Antigenic shift. c. Somatic recombination. d. Complement binding.

Last Answer : c. Somatic recombination.

What Recombination occurs during .?

Description : What Recombination occurs during .?

Last Answer : meiosis

Recombination of virus genomes occurs A- by transduction B- by transcription C- simultaneous infection of a host cell by two viruses with homologous chromosomes D- by transformation

Description : Recombination of virus genomes occurs A- by transduction B- by transcription C- simultaneous infection of a host cell by two viruses with homologous chromosomes D- by transformation

Last Answer : simultaneous infection of a host cell by two viruses with homologous chromosomes

The type of recombination that commonly occurs between a pair of homologous DNA sequences is, A- mutagenic recombination B- site-specific recombination C- replicative recombination D- general recombination

Description : The type of recombination that commonly occurs between a pair of homologous DNA sequences is, A- mutagenic recombination B- site-specific recombination C- replicative recombination D- general recombination

Last Answer : general recombination

What would be the results if crossing over did not happen during meiosis in humans?

Description : What would be the results if crossing over did not happen during meiosis in humans?

Last Answer : There would be less genetic variation in humans

In prophase I of meiosis crossing over results in?

Description : In prophase I of meiosis crossing over results in?

Last Answer : Genetic Recombination

Crossing-over occurs during (1) Leptotene (2) Zygotene (3) Path ene (4) Diplotene

Description : Crossing-over occurs during (1) Leptotene (2) Zygotene (3) Path ene (4) Diplotene

Last Answer : (3) Path ene Explanation: Chromosomal crossover (or crossing over) is the exchange of genetic material between homologous chromosomes that results in recombinant chromosomes. It is one of the ... recombination, which occurs during prophase I of meiosis (pachytene) during a process called synapsis.

Segregation of Mendelian factors (no linkage, no crossing over) occurs during (a) anaphase I (b) anaphase II (c) diplotene (d) metaphase I.

Description : Segregation of Mendelian factors (no linkage, no crossing over) occurs during (a) anaphase I (b) anaphase II (c) diplotene (d) metaphase I.

Last Answer : a) anaphase I

Synapsis and crossing over of chromosomes occurs i which phases of meiosis? a) Interphase b) Prophase c) Meterphase d) Teleophase

Description : Synapsis and crossing over of chromosomes occurs i which phases of meiosis? a) Interphase b) Prophase c) Meterphase d) Teleophase

Last Answer : ANSWER: B -- PROPHASE

Crossing-over occurs during (1) Leptotene (2) Zygotene (3) Pachytene (4) Diplotene

Description : Crossing-over occurs during (1) Leptotene (2) Zygotene (3) Pachytene (4) Diplotene

Last Answer : Pachytene

What is recombination? -Biology

Description : What is recombination? -Biology

Last Answer : answer:

What pair of chromosome doesn't go through crossover or recombination?

Description : What pair of chromosome doesn't go through crossover or recombination?

Last Answer : Need answer

Mechanism preventing interbreeding is called – (1) Adaptation (2) Isolation (3) Reproduction (4) Recombination

Description : Mechanism preventing interbreeding is called – (1) Adaptation (2) Isolation (3) Reproduction (4) Recombination

Last Answer : (2) Isolation Explanation: Because interbreeding can destroy the genetic integrity of a species, causing it to become progressively infertile or extinct, evolutionary changes in anatomy ... reproduction from occurring. Reproductive Isolation is very important in keeping animal species separated.

.Change in sequence of nucleotide in DNA is called (a) mutagen (b) mutation (c) recombination (d) translation.

Description : .Change in sequence of nucleotide in DNA is called (a) mutagen (b) mutation (c) recombination (d) translation.

Last Answer : b) mutation

Change in sequence of nucleotide in DNA is called (a) mutagen (b) mutation (c) recombination (d) translation.

Description : Change in sequence of nucleotide in DNA is called (a) mutagen (b) mutation (c) recombination (d) translation.

Last Answer : mutation

Two linked genes a and b show 20% recombination. the individuals of a dihybrid cross between ++/++ × ab/ab shall show gametes (a) ++ : 80 : : ab : 20 (b) ++ : 50 : : ab : 50 (c) ++ : 40 : : ab : 40 : : + a : 10 : : + b : 10 (d) ++ : 30 : : ab : 30 : : + a : 20 : : + b : 20.

Description : Two linked genes a and b show 20% recombination. the individuals of a dihybrid cross between ++/++ × ab/ab shall show gametes (a) ++ : 80 : : ab : 20 (b) ++ : 50 : : ab : 50 (c) ++ : 40 : : ab : 40 : : + a : 10 : : + b : 10 (d) ++ : 30 : : ab : 30 : : + a : 20 : : + b : 20.

Last Answer : (c) ++ : 40 : : ab : 40 : : + a : 10 : : + b : 10

Which of the following statements is not true of two genes that show 50% recombination frequency? (a) The gene show independent assortment. (b) If the genes are present on the same chromo- some, they undergo more than one cross-overs in every meiosis. (c) The genes may be on different chromosomes. (d) The genes are tightly linked.

Description : Which of the following statements is not true of two genes that show 50% recombination frequency? (a) The gene show independent assortment. (b) If the genes are present on the same chromo- some, they ... every meiosis. (c) The genes may be on different chromosomes. (d) The genes are tightly linked.

Last Answer : (b) If the genes are present on the same chromo- some, they undergo more than one cross-overs in every meiosis.

The frequency of recombination between gene present on the same chromosome as a measure of the distance between genes was explained by (a) Sutton Boveri (b) T.H. Morgan (c) Gregor J.Mendel (d) Alfred Sturtevant.

Description : The frequency of recombination between gene present on the same chromosome as a measure of the distance between genes was explained by (a) Sutton Boveri (b) T.H. Morgan (c) Gregor J.Mendel (d) Alfred Sturtevant.

Last Answer : (d) Alfred Sturtevant.

Anaphase Promoting Complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cell. If APC is defective in a human cell, which of the following is expected to occur? (a) Chromosomes will be fragmented. (b) Chromosomes will not segregate. (c) Recombination of chromosome arms will occur. (d) Chromosomes will not condense

Description : Anaphase Promoting Complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cell. If APC is defective in a human cell, which of the following is expected to ... will not segregate. (c) Recombination of chromosome arms will occur. (d) Chromosomes will not condense

Last Answer : (b) Chromosomes will not segregate.

Which of the following cause new emerging infectious diseases? a. mutation b. recombination c. cross host ranges d. A-C are correct

Description : Which of the following cause new emerging infectious diseases? a. mutation b. recombination c. cross host ranges d. A-C are correct

Last Answer : d. A-C are correct

Which of the following type of recombination does not require homologous sequences and isimportant for the integration of viral genomes into bacterial chromosomes? A- Mutagenic recombimation B- Site-specific recombination C- Replicative recombination D- General recombination

Description : Which of the following type of recombination does not require homologous sequences and isimportant for the integration of viral genomes into bacterial chromosomes? A- Mutagenic recombimation B- Site-specific recombination C- Replicative recombination D- General recombination

Last Answer : Site-specific recombination

The transposase gene encodes an enzyme that facilitate A- viral replication within a genome B- general recombination C- site-specific integration of transposable elements D- none of the above

Description : The transposase gene encodes an enzyme that facilitate A- viral replication within a genome B- general recombination C- site-specific integration of transposable elements D- none of the above

Last Answer : site-specific integration of transposable elements

Anaphase Promoting Complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur ? (1) Chromosomes will be fragmented (2) Chromosomes will not segregate (3) Recombination of chromosome arms will occur (4) Chromosomes will not condense

Description : Anaphase Promoting Complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur ... will not segregate (3) Recombination of chromosome arms will occur (4) Chromosomes will not condense

Last Answer : (2) Chromosomes will not segregate

Mechanism preventing interbreeding is called : (1) Adaptation (2) Isolation (3) Reproduction (4) Recombination

Description : Mechanism preventing interbreeding is called : (1) Adaptation (2) Isolation (3) Reproduction (4) Recombination

Last Answer : Isolation

How do single celled organisms exchange genetic material?

Description : How do single celled organisms exchange genetic material?

Last Answer : http://paleobiology.si.edu/geotime/main/foundation_life2.html does this help??

What happens after meiosis to introduce even more genetic variation in sexualy reproducing organisms?

Description : What happens after meiosis to introduce even more genetic variation in sexualy reproducing organisms?

Last Answer : Genetic variation is increased by meiosis Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA. This produces a unique combination of genes in the resulting zygote. Recombination or crossing over occurs during prophase

How did scientists decide that DNA was the genetic material for all cellular organisms?

Description : How did scientists decide that DNA was the genetic material for all cellular organisms?

Last Answer : The proof that the material basis for a gene is DNA came from the work of Oswald T.Avery (1877-1955), Colin M. MacLeod (1909-1972), and Maclyn McCarty (1911-) in a paper published ... exposed to DNase, an enzyme that destroys DNA, all transformation activity ceased. The transforming factor was DNA.

Biodiversity of a geographical region represents (a) endangered species found in the region (b) the diversity in the organisms living in the region (c) genetic diversity in the dominant species of the region (d) species endemic to the region.

Description : Biodiversity of a geographical region represents (a) endangered species found in the region (b) the diversity in the organisms living in the region (c) genetic diversity in the dominant species of the region (d) species endemic to the region.

Last Answer : (b) the diversity in the organisms living in the

Which one of the following is a characteristic feature of cropland ecosystem? (a) Absence of weeds (b) Ecological succession (c) Absence of soil organisms (d) Least genetic diversity

Description : Which one of the following is a characteristic feature of cropland ecosystem? (a) Absence of weeds (b) Ecological succession (c) Absence of soil organisms (d) Least genetic diversity

Last Answer : (d) Least genetic diversity

. Which body of the Government of India regulates GM research and safety of introducing GM organisms for public services? (a) Genetic Engineering Approval Committee (b) Research Committee on Genetic Manipulation (c) Bio-safety committee (d) Indian Council of Agricultural Research

Description : . Which body of the Government of India regulates GM research and safety of introducing GM organisms for public services? (a) Genetic Engineering Approval Committee (b) Research Committee on Genetic Manipulation (c) Bio-safety committee (d) Indian Council of Agricultural Research

Last Answer : (a) Genetic Engineering Approval Committee

In India, the organisation responsible for assessing the safety of introducing genetically modified organisms for public use is (a) Indian Council of Medical Research (ICMR) (b) Council for Scientific and Industrial Research (CSIR) (c) Research Committee on Genetic Manipulation (RCGM) (d) Genetic Engineering Appraisal Committee (GEAC).

Description : In India, the organisation responsible for assessing the safety of introducing genetically modified organisms for public use is (a) Indian Council of Medical Research (ICMR) (b) Council for ... Research Committee on Genetic Manipulation (RCGM) (d) Genetic Engineering Appraisal Committee (GEAC).

Last Answer : (d) Genetic Engineering Appraisal Committee (GEAC).

What is the term for manipulating the genes of organisms to introduce new characteristics? a. Genomics b. Genetic engineering c. Recombinant RNA d. Genetic resistance

Description : What is the term for manipulating the genes of organisms to introduce new characteristics? a. Genomics b. Genetic engineering c. Recombinant RNA d. Genetic resistance

Last Answer : b. Genetic engineering

Which one of the following is not an organizational property common to all living organisms? a. Genetic organization b. Metabolic organization c. Compartmentation d. A cell nucleus

Description : Which one of the following is not an organizational property common to all living organisms? a. Genetic organization b. Metabolic organization c. Compartmentation d. A cell nucleus

Last Answer : d. A cell nucleus

Which one of the following is NOT an organizational pattern common to all organisms? a. Genetic organization b. Protein synthesis c. Compartmentation d. Microcompartments

Description : Which one of the following is NOT an organizational pattern common to all organisms? a. Genetic organization b. Protein synthesis c. Compartmentation d. Microcompartments

Last Answer : d. Microcompartments

Varieties of vegetables such as cabbage, broccoli and cauliflower have been produced from a wild cabbage species. Such process of producing new varieties of living organisms is called (1) Natural selection (2) Artificial selection (3) Speciation (4) Genetic drift.

Description : Varieties of vegetables such as cabbage, broccoli and cauliflower have been produced from a wild cabbage species. Such process of producing new varieties of living organisms is called (1) Natural selection (2) Artificial selection (3) Speciation (4) Genetic drift.

Last Answer : (2) Artificial selection

In India, the organisation responsible for assessing the safety of introducing genetically modified organisms for public use is (1) Indian Council of Medical Research (ICMR) (2) Council for Scientific and Industrial Research (CSIR) (3) Research Committee on Genetic Manipulation (RCGM) (4) Genetic Engineering Appraisal Committee (GEAC)

Description : In India, the organisation responsible for assessing the safety of introducing genetically modified organisms for public use is (1) Indian Council of Medical Research (ICMR) (2) Council for ... 3) Research Committee on Genetic Manipulation (RCGM) (4) Genetic Engineering Appraisal Committee (GEAC)

Last Answer : (4) Genetic Engineering Appraisal Committee (GEAC)

The principles of probability can be used to a. predict the traits of the offspring produced by genetic crosses. b. determine the actual outcomes of genetic crosses. c. predict the traits of the parents used in genetic crosses. d. decide which organisms are best to use in genetic crosses.

Description : The principles of probability can be used to a. predict the traits of the offspring produced by genetic crosses. b. determine the actual outcomes of genetic crosses. c. predict the traits of the parents used in genetic crosses. d. decide which organisms are best to use in genetic crosses.

Last Answer : a. predict the traits of the offspring produced by genetic crosses.

Oops! I sent my Cologard (for colon cancer testing) sample to Ancestry.com instead of my DNA sample. What results will I get about my genetic make-up?

Description : Oops! I sent my Cologard (for colon cancer testing) sample to Ancestry.com instead of my DNA sample. What results will I get about my genetic make-up?

Last Answer : They’ll find out what kind of an ass you really are. DNA is DNA – they should be able to extract it from your fecal matter.

In genetic engineering the transfer of hereditary information from one species to another results in the formation of?

Description : In genetic engineering the transfer of hereditary information from one species to another results in the formation of?

Last Answer : Need answer

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

All the following statements about xeroderma pigmentosum are true except (A) It is a genetic disease (B) Its inheritance is autosomal dominant (C) uvr ABC excinuclease is defective in this disease (D) It results in multiple skin cancers

Description : All the following statements about xeroderma pigmentosum are true except (A) It is a genetic disease (B) Its inheritance is autosomal dominant (C) uvr ABC excinuclease is defective in this disease (D) It results in multiple skin cancers

Last Answer : Answer : B