Two non-allelic genes produces the new phenotype
when present together but fail to do so independently
then it is called
(a) epistasis
(b) polygene
(c) non complementary gene
(d) complementary gene.

1 Answer

Answer :

epistasis

Related questions

Description : The gene which exhibites multiple effects is known as – (1) Pseudogene (2) Pleiotropic (3) Complementary (4) Polygene

Last Answer : (2) Pleiotropic Explanation: Pleiotropy describes the genetic effect of a single gene on multiple phenotypic traits. The underlying mechanism is that the gene codes for a product that is, for ... is phenylketonuria, a human disease that affects multiple systems but is caused by one gene defect.

Description : The gene which exhibites multiple effects is known as : (1) Pseudogene (2) Pleiotropic (3) Complementary (4) Polygene

Last Answer : Pleiotropic

Description : Fruit colour in squash is an example of (a) recessive epistasis (b) dominant epistasis (c) complementary genes (d) inhibitory genes.

Last Answer : (a) recessive epistasis

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

Description : When two dominant independently assorting genes react with each other, they are called (a) collaborative genes (b) complementary genes (c) duplicate genes (d) supplementary genes.

Last Answer : complementary genes

Description : 28. When the activity of one gene is suppressed by the activity of a non-allelic gene, it is known as a) Pseudo-dominance b) Hypostasis c) Epistasis d) Incomplete dominance

Last Answer : Answer: c Epistasis

Description : The sum of genes in a population is called – (1) Phenotype (2) Karyotype (3) Genotype (4) Gene pool

Last Answer : (4) Gene pool Explanation: Phenotype refers to a set of observable characteristics of an individual or group resulting from the interaction of its genotype with its environment. Gene pool refers to the stock of different genes in an interbreeding population.

Description : The sum of genes in a population is called (1) Phenotype (2) Karyotype (3) Genotype (4) Gene pool

Last Answer : Gene pool

Description : When a single gene influences more than one trait it is called (a) pseudodominance (b) pleiotropy (c) epistasis (d) none of these.

Last Answer : (b) pleiotropy

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

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.

Description : The phenomenon, in which an allele of one gene suppresses the activity of an allele of another gene, is known as (a) epistasis (b) dominance (c) suppression (d) inactivation

Last Answer : (a) epistasis

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

Description : Study of drug-receptor interaction has now shown that: A. Maximal response occurs only when all receptors are occupied by the drug B. Drugs exert an all or none' action on a ... lock and key' structural features D. Properties of affinity' and intrinsic activity' are independently variable

Last Answer : D. Properties of ‘affinity’ and ‘intrinsic activity’ are independently variable

Description : Study of drug-receptor interaction has now shown that: A. Maximal response occurs only when all receptors are occupied by the drug B. Drugs exert an all or none' action on a ... lock and key' structural features D. Properties of affinity' and intrinsic activity' are independently variable

Last Answer : D. Properties of ‘affinity’ and ‘intrinsic activity’ are independently variable

Description : Polygenic genes show: (a) Different phenotype (b) Different genotype (c) Similar phenotype (d) Similar genotype

Last Answer : Ans. ((a))

Description : Would a trait that has only two distinct phenotype more likely be a single-gene trait or a polygenic trait How do you know (3 points)?

Last Answer : Need answer

Description : Alleles are (a) different molecular forms of a gene (b) heterozygotes (c) different phenotype (d) true breeding homozygotes

Last Answer : Alleles are (a) different molecular forms of a gene (b) heterozygotes (c) different phenotype (d) true breeding homozygotes.

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.

Description : In a test cross involving F1 dihybrid flies, more parental-type offspring were produced than the recombinant-type offspring. This indicates (a) the two genes are linked and present on the ... two genes are located on two different chromosomes (d) chromosomes failed to separate during meiosis.

Last Answer : (a) the two genes are linked and present on the same chromosome

Description : Constant segment genes of heavy chains are present in a cluster in which the first gene on side is (A) Alpha (B) Gamma (C) Delta (D) None of these

Last Answer : Answer : D

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.

Description : Primary source of allelic variation is

Last Answer : Primary source of allelic variation is A. independent assortment B. recombination C. mutation D. polyploidy

Description : A gene showing co-dominance has (a) alleles that are recessive to each other (b) both alleles independently expressed in the heterozygote (c) one allele dominant on the other (d) alleles tightly linked on the same chromosome.

Last Answer : (b) both alleles independently expressed in the heterozygote

Description : What are complementary genes ?

Last Answer : If two pairs of genes complement each other in expressing any one trait, then those genes are called complementary genes.

Description : Ratio of complementary genes is (a) 9 : 3 : 4 (b) 12 : 3 : 1 (c) 9 : 3 : 3 : 4 (d) 9 : 7.

Last Answer : (d) 9 : 7.

Description : What phenotype produces is between the two homologous parents?

Last Answer : What is the answer ?

Description : What is antisense technology? (a) When a piece of RNA that is complementary in sequence is used to stop expression of a specific gene (b) RNA polymerase producing DNA (c) A cell displaying a foreign antigen used for synthesis of antigens (d) Production of somaclonal variants in tissue cultures

Last Answer : (a) When a piece of RNA that is complementary in sequence is used to stop expression of a specific gene

Description : Auditing is based on the assumption that financial data are verifiable. Data are verifiable when two or more qualified individuals, a. Working together, can prove, beyond doubt, the accuracy of ... reach essentially similar conclusions. d. Working together, can agree upon the accuracy of the data

Last Answer : Working independently, each reach essentially similar conclusions

Description : Which one of the following statements about the particular entity is true ? (a) Centromere is found in animal cells, which produces aster during cell division. (b) The gene for producing insulin is ... cell. (c) Nucleosome is formed of nucleotides. (d) DNA consists of core of eight histones.

Last Answer : (b) The gene for producing insulin is present in every body cell.

Description : Select the incorrect statement out of the five given below about lac operon when Lactose is present in the medium. a) Gene - A gets transcribed into mRNA which produces β-galactoside permease b) ... polymerase transcribe Z-gene, Y-gene and A-gene e) Allolactose is the inducer of lac operon

Last Answer : Gene – A gets transcribed into mRNA which produces β-galactoside permease b) Inducer-Repressor complex is formed

Description : In Excel“““.allows users to bring together copiesof work-books that otherusers have worked on independently. (A) Copying (B) Merging (C) Pasting (D) Compiling (E) None of these

Last Answer : Merging

Description : When process adds new genes to a gene pool?

Last Answer : Need answer

Description : Consider the following methods by which gene therapy can be performed: 1. By introducing a new gene into the body 2. By the use of stem cells 3. By delivery of genes using gold nanoparticles The correct methods could be: (a) 1 and 2 only (b) 1 and 3 only (c) 2 and 3 only (d) 1, 2 and 3 only

Last Answer : Ans:(a)

Description : A collection of plants and seed having diverse alleles of all the genes of a crop is called (a) herbarium (b) germplasm (c) gene library (d) genome.

Last Answer : (b) germplasm

Description : Situations in which one allele for a gene is not completely dominant over another allele for that gene are called a. multiple alleles. b. incomplete dominance. c. polygenic inheritance. d. multiple genes.

Last Answer : b. incomplete dominance.

Description : Identify the wrong statement with reference to the gene ‘I’ that controls ABO blood groups. (a) The gene (I) has three alleles. (b) A person will have only two of the three alleles. (c) When IA and IB are present together, they express same type of sugar. (d) Allele i does not produce any sugar.

Last Answer : (c) When IA and IB are present together, they express same type of sugar.

Description : .The lac operon consists of (a) four regulatory genes only (b) one regulatory gene and three structural genes (c) two regulatory genes and two structural genes (d) three regulatory genes and three structural genes.

Last Answer : (b) one regulatory gene and three structural genes

Description : A woman with two genes for haemophilia and one gene for colour blindness on one of the X' chromosomes marries a normal man. How will the progeny be? (a) 50% haemophilic colour-blind sons ... ). (c) All sons and daughters haemophilic and colour- blind. (d) Haemophilic and colour-blind daughters.

Last Answer : (b) 50% haemophilic daughters (carrier) and 50% colour blind daughters (carrier).

Description : When two genetic loci produce identical phenotypes in cis and trans position, they are considered to be (a) multiple alleles (b) the parts of same gene (c) pseudoalleles (d) different genes

Last Answer : (c) pseudoalleles

Description : What is Epistasis ?

Last Answer : Epistasis is the process by which one gene inhibits the expression of another non-allelic gene.

Description : Recessive epistasis is shown by

Last Answer : Recessive epistasis is shown by A. Flower colour in Sweat Pea B. Fruit colour of Summer Squash C. Coat colour of Mice D. Shape of comb in pultry

Description : $ Gregor mendel is also known as the "father of biology" ! He gave the law of Epistasis.

Last Answer : $ Gregor mendel is also known as the "father of biology" ! He gave the law of Epistasis. A. If both As ... R is wrong D. If both As and R are wrong.

Description : In a genetic cross having recessive epistasis, F2 phenotypic ratio would be (a) 9 : 6 : 1 (b) 15 : 1 (c) 9 : 3 : 4 (d) 12 : 3 : 1.

Last Answer : (c) 9 : 3 : 4

Description : ABO blood group system is due to (a) multifactor inheritance (b) incomplete dominance (c) multiple allelism (d) epistasis.

Last Answer : (c) multiple allelism

Description : If your child had a ”gay gene”, or a sequence of genes leading to gayness, would you leave it unaltered if there was a way to eliminate, or modify it?

Last Answer : I am not perfect and neither are my kids and I would not change a thing.

Description : If 98% of human genes are from the Rhesus monkey gene where do you think the other 2% fit in?

Last Answer : answer:The chimpanzee and human genome diverged 6 million years ago. They have 98% identity and many conserved regulatory regions. Humans and macaques apparently share about 93% of their DNA sequence and shared a common ancestor roughly 25 million years ago. [Source]

Description : Gene gun can introduced genes into cells with the help of

Last Answer : Gene gun can introduced genes into cells with the help of A. Plasmids B. Cosmide C. Microscopic pellets D. Moringa

Description : How many genes out of a gene pair does a plant that is self pollinated get from each of its parents?

Last Answer : one from each parent out of a gene pair. Because each parentscontributes fifty - fifty percent in the new offspring.

Description : What is each gene is inherited separately of genes of other traits is?

Last Answer : Need answer