Description : $ Those genes which are present on "Y" chromosomes of human beings are called holandric genes. ! Holandric genes are present both in men as well as wo
Last Answer : $ Those genes which are present on "Y" chromosomes of human beings are called holandric genes. ! Holandric ... wrong D. If both As and R are wrong.
Description : Silencer elements (A) Are trans-acting factors (B) Are present between promoters and the structural genes (C) Decrease the expression of some structural genes (D) Encode specific repressor proteins
Last Answer : Answer : C
Description : $ A simple but dominant gametophyte is called Prothallus. ! Prothallus is found in Bryophytes.
Last Answer : $ A simple but dominant gametophyte is called Prothallus. ! Prothallus is found in Bryophytes. A. If both As ... wrong D. If both As and R are wrong.
Description : $ Those plants which produce seeds, without the formation of fruits are called Gymnosperms. ! Endosperm is triploid in Angiospherms
Last Answer : $ Those plants which produce seeds, without the formation of fruits are called Gymnosperms. ! Endosperm is ... D. If both As and R are wrong.
Description : Two dominant nonallelic genes are 50 map units apart. The linkage is (a) cis type (b) trans type (c) complete (d) absent/incomplete.
Last Answer : (d) absent/incomplete.
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 : The colour blindness is more likely to occur in males than in females because (a) the Y-chromosome of males have the genes for distinguishing colours (b) genes for characters are located on the sex- chromosomes (c) the trait is dominant in males and recessive in females (d) none of these.
Last Answer : (b) genes for characters are located on the sex- chromosomes
Description : Sickle cell anaemia has not been eliminated from the African population because (a) it is controlled by dominant genes (b) it is controlled by recessive genes (c) it is not a fatal disease (d) it provides immunity against malaria
Last Answer : (d) it provides immunity against malaria.
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 : RR (Red) Antirrhinum is crossed with white (WW) one. Offspring RW are pink. This is an example of (a) dominant-recessive (b) incomplete dominance (c) hybrid (d) supplementary genes.
Last Answer : (b) incomplete dominance
Description : Which one of the following statements is NOT true of the bacterial chromosome? a. It Is Located In The Nucleoid. b. It Usually Isa Single, Circular Molecule. c. Some Genes Are Dominant To Others. d. It Usually Is Haploid.
Last Answer : c. Some Genes Are Dominant To Others.
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 : $ The dominant phase in Bryophytes is called Thallus. ! Thallus of Funaria is monoecious and autoicous.
Last Answer : $ The dominant phase in Bryophytes is called Thallus. ! Thallus of Funaria is monoecious and autoicous. A. ... wrong D. If both As and R are wrong.
Description : Cryptography is an interdisciplinary subject, drawing from several fields. Before the time of computers, it was closely related to linguistic. Nowadays the emphasis has shifted, and cryptography makes extensive use ... as _______mathematics: a) Increte b) Discrete c) Both of Above d) None of These
Last Answer : b) Discrete
Description : $ `X X^(C)` represents the genotype of a human femanle which acts as carrier of genes for colour blindness. ! Any change in the structure of a chromos
Last Answer : $ `X X^(C)` represents the genotype of a human femanle which acts as carrier of genes for colour blindness ... is wrong D. If both As and R are wrong.
Description : $ Incomplete dominance is due to geneninteraction. ! Complementray genes give the ratio 9:7
Last Answer : $ Incomplete dominance is due to geneninteraction. ! Complementray genes give the ratio 9:7 A. If both As ... wrong D. If both As and R are wrong.
Description : The organic matter present in soil is known collectively as – (1) Hydrocarbons (2) Podsols (3) Humus (4) Colloids
Last Answer : (3) Humus Explanation: The organic matter present in soil is known collectively as humus. Humus is fully decomposed and finely divided organic matter. Dune is a hill or ridge of sand accumulated and sorted by wind action.
Description : The organic matter present in soil is known collectively as (1) Hydrocarbons (2)Podsols (3) Humus (4)Colloids
Last Answer : Humus
Description : Which one of the following cannot be explained on the basis of Mendel's law of dominance? (a) The discrete unit controlling a particular character is called a factor. (b) Out of one pair of ... any blending and both the characters recover as such in F2 generation. (d) Factors occur in pairs.
Last Answer : (c) Alleles do not show any blending and both the characters recover as such in F2 generation
Description : Genes are not found in pairs - (1) in body cells (2) in ovary after fertilization (3) in gametes (4) in zygotes
Last Answer : (3) in gametes Explanation: Genes are a part of the chromosome and are found in pairs in somatic cells. One member of the gene pair segregates into a gamete, thus each gamete only carries one member of the gene pair. Gametes unite at random and irrespective of the other gene pairs involved.
Description : What are the structures called that give an appearance as ‘beads-on-string’ in the chromosomes when viewed under electron microscope? (a) Genes (b) Nucleotides (c) Nucleosomes (d) Base pairs
Last Answer : Nucleosomes
Description : Transposons are of particular significance because they a. often contain genes for antibiotic resistance. b. inhibit the effects of overlapping genes. c. come in pairs and often are associated with viruses. d. regulate gene transcription in bacterial cells.
Last Answer : a. often contain genes for antibiotic resistance.
Description : Genes are not found in pairs (1) in body cells (2) in ovary after fertilization (3) in gametes (4) in zygotes
Last Answer : in gametes
Description : Which of the following is a characteristic feature of familial hypercholesterolaemia? 1) Autosomal dominant inheritance 2) elevated chylomicrons 3) hypertriglyceridaemia 4) increased expression of LDL receptors 5) Palmar xanthomas
Last Answer : Answers-1 Familial hypercholesterolaemia is an autosomal dominant condition manifest by increased LDL concentrations (not chylomicrons) due to constitutional abnormalities and reduced numbers of ... are characteristic and the condition is associated with a premature cardiovascular mortality.
Description : dB is a standard abbreviation used for the quantitative expression of (a) the density of bacteria in a medium (b) a particular pollutant (c) the dominant Bacillus in a culture (d) a certain pesticide.
Last Answer : (b) a particular pollutant
Description : $ "A" DNA contains eleven base pairs. ! "Z" DNA contains only nine base pairs.
Last Answer : $ "A" DNA contains eleven base pairs. ! "Z" DNA contains only nine base pairs. A. If both As and R are ... , R is wrong D. If both As and R are wrong.
Description : $ Octopus is also called "Devil Fish". ! Animals of class crustacea have three pairs of appendages.
Last Answer : $ Octopus is also called "Devil Fish". ! Animals of class crustacea have three pairs of appendages. A. If ... is wrong D. If both As and R are wrong.
Description : What is the field of study that focuses on genes and their expression?
Last Answer : Feel Free to Answer
Description : What is A situation in which genes are attached to an organisms sex chromosomes the sex of an organism influences the expression of a gene?
Last Answer : s.e.x linked
Description : Expression of structural genes of lac operon is affected by all the following except (A) Lactose or its analogues (B) Repressor tetramer (C) cAMP (D) CAP-cAMP complex
Description : The regulatory i gene of lac operon (A) Is inhibited by lacotse (B) Is inhibited by its own product, the repressor protein (C) Forms a regulatory protein which increases the expression of downstream structural genes (D) Is constitutively expressed
Last Answer : Answer : D
Description : Interferon (A) Is virus specific (B) Is a bacterial product (C) Is a synthetic antiviral agent (D) Requires expression of cellular genes
Description : .Expressed Sequence Tags (ESTs) refers to (a) novel DNA sequences (b) genes expressed as RNA (c) polypeptide expression (d) DNA polymorphism.
Last Answer : (b) genes expressed as RNA
Description : The value of postfix expression: 8 3 4 + - 3 8 2 / + * 2 $ 3+ is (A) 17 (B) 131 (C) 64 (D) 52
Last Answer : (D) 52
Description : Which amplifier stage (the preamplifier or the postamplifier) is a dominant contributor of noise and significantly influences the sensitivity of the receiver?
Last Answer : The preamplifier.
Description : $ Angiosperms produce seeds, but do not produce fruits. ! Fruit and seed formation occurs in Gymnosperms.
Last Answer : $ Angiosperms produce seeds, but do not produce fruits. ! Fruit and seed formation occurs in Gymnosperms. A. ... wrong D. If both As and R are wrong.
Description : In dogs wire hair (D) is dominant over smooth hair (d) . If two wire haired dogs produce a smooth haired pup , the genotypes of the parent?
Last Answer : Both parents are Dd. They express the dominant gene but carry the recessive one, so there's a 25% chance that the pup will express the recessive one. If either parent was DD, then it would be impossible to produce a pup that expresses the recessive gene.
Description : If purple flowers color is dominant over white flower color how can two purple flowers parents produce white flowered offspring?
Last Answer : It can happen when both parents are a heterozygous
Description : $ Homologous organs are those which are functionally similar but different by origin. ! Homothallic plants are those which are unisexual.
Last Answer : $ Homologous organs are those which are functionally similar but different by origin. ! Homothallic plants are ... D. If both As and R are wrong.
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 : 6. 1. The genes crylAb and cryllAb produce toxins against _______ and _______, respectively. (a) cotton bollworms, com borer (b) nematode, cotton bollworm (c) com borer, cotton bollworm (d) com borer, nematodes
Last Answer : 6. (c) com borer, cotton bollworm
Description : $ Plants which live for many years are called perennials. Perennials which produce flowers and seeds only once during their life span are called monoc
Last Answer : $ Plants which live for many years are called perennials. Perennials which produce flowers and seeds only once ... D. If both As and R are wrong.
Description : 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.
Last Answer : epistasis
Description : Name the group of countries that collectively defeated Napoleon. -SST 10th
Last Answer : Britain, Russia, Prussia and Austria
Description : Fill in the blanks (i) Viruses, worms and trojans are collectively named ________________. -Technology
Last Answer : (i) Malware(ii) (iii) Web browser(iv) Website(v) (vi) Worm(vii) href(viii) Spyware(ix) Quotes(x) Trojan Horse
Description : Non living substances of the protoplasm are collectively known as -Biology
Last Answer : answer:
Description : Each middle ear consist of three tiny bones ____,___ and ____ collectively called____
Last Answer : Each middle ear consist of three tiny bones ____,___ and ____ collectively called____
Description : In aquatic environment, microscopic animals and plants are collectively known as
Last Answer : In aquatic environment, microscopic animals and plants are collectively known as A. Commensals B. Herbivores C. Fauna and Flora D. Planktons