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ABO blood grouping is an example of a.multiple alleles b. codominance c. incomplete dominance d. law of segregation e. back cross
answered Nov 30, 2016
Ans: (D) a, b and dThree genes are controlling a trait. So multiple alleles. Genes are $I_A$ and $I...
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the expression of one of the character in F1 generaton in F1 and both of the traits in F2 can be explained by
answered Nov 30, 2016
Ans: (B) Law of dominance
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During segregation the probability of the gamete containing either allele is
answered Nov 30, 2016
Ans: (C) 0.5
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the phenotypic ratio 9:3:3:1 is obserrved when
answered Nov 30, 2016
Ans: (D) two genes are independent
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Phenyl ketonuria is
answered Nov 30, 2016
Ans: (A) Autosome recessive
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the mutatant hemoglobin in sickle cell anaemia undergoes
answered Nov 30, 2016
Ans: (A) polymerisation
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sicle cell anaemia is
answered Nov 30, 2016
Ans: (A) Autosome recessive
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In case of individuals with hemophilia
answered Nov 30, 2016
Ans: (D) the blood does not clot
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The inheritance of a specific trait can be traced by
answered Nov 30, 2016
Ans: (B) pedigree analysisThe study of an inherited trait in a group related individuals to determin...
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__ radiations are mutagenic
answered Nov 30, 2016
Ans: (D) UV
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chromosomal aberrations are generally observed in
answered Nov 30, 2016
Ans: (D) Cancer Cells
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A mutation arises due to alteration in
answered Nov 30, 2016
Ans: (D) DNA SequenceChanging of a structure of a gene resulting in a variant form which may be tran...
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In each pregnancy, the probability of a male child to female is
answered Nov 30, 2016
Ans: (B) 0.5
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The condition where the male can have __ is called male heterogamety
answered Nov 30, 2016
Ans: (D) XO, XY
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the frequency of recombination is___ to the distance between two genes
answered Nov 30, 2016
Ans: D) Directly Propotional
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the model organism used by Morgan was
answered Nov 30, 2016
Ans: (C) D. melanogaster
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the experimental verification of the chromosomal theory of inheritance was given by
answered Nov 30, 2016
Ans: (C) Thomas Hunt Morgan
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the chromosomal theory of inheritance was proposed by
answered Nov 30, 2016
Ans: Sutton and Boveri
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the behaviour of chromosomes is parallel to the behaviour of the genes' -- this was proposed by
answered Nov 30, 2016
Ans: (B) Walter Sutton and Theodore Boveri
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The phenotypic proportion of 3: 1 is explained by
answered Nov 30, 2016
Ans: (D) Law of Dominance
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According to daw of dominance, 'factors' occur in
answered Nov 30, 2016
Ans: (D) Pairs
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The crossing of a dominant phenotype with a recessive parent is called
answered Nov 30, 2016
Ans: (D) Test Cross
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The pictorial representation of the Mendels Law was done by
answered Nov 30, 2016
Ans: (C) Reginald C Punnet
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The cros between TT and tt is ___ while RRYY and rryy is
answered Nov 30, 2016
Ans: (B) mono hybrid, dihydbridA cross between two individuals that differ from each other with resp...
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The character that is genotypically expressed but not evident phenotypically is called
answered Nov 23, 2016
Ans: (B) recessive
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Eventhough the genetype Tt carries an allele for tall and dwarf trait, the plant displays a tall phenotype and this phenomenon is called
answered Nov 23, 2016
Ans: (C) Dominance
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The genotype Tt codes for ___ phenotype
answered Nov 23, 2016
Ans: (C) Tall
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When the same gene codes for opposite traits we call them
answered Nov 23, 2016
Ans: (B) Alleles
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___ are the units of inheritance
answered Nov 23, 2016
Ans: (B) Genes
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Indian breed of cow found in punjab
answered Nov 23, 2016
Ans: (D) Sahiwal
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The child looks similar to the parents but not the same is due to
answered Nov 23, 2016
Ans: (A) inheritance and variation
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Identify the structures marked as A, B, C, D in order in the picture; Identify E :
answered Nov 23, 2016
Ans: (D) mammary alveolus, mammary duct, ampulla, lactiferous duct; pectoralis major muscle
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Identify A, B, C and specify what are they? Identify the structures marked as D, E in order in the picture :
answered Nov 23, 2016
Ans: (C) endometrium, myometrium, perimetrium ( layers of uterus); uterne fundus and uterine cavity
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To which stages A, B corresponds ? When is B completed? What are the values of x, y, z ?
answered Nov 23, 2016
Ans: (A) Mitosis & differentiation, 1st meiotic division; completed prior to ovulation; x = 46, ...
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Identify A, B, C, D, E and F in order in the picture - choose the appropriate option :
answered Nov 23, 2016
Ans: (C) Umbilial cord with its vessels, Placental villi, Cavity of the uterus, Yolk sac, Embryo, Pl...
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Which part of the cell is involved in communicating with the other cells, through binding of ligands i.e. hormones, neurotransmitters etc. to the receptor proteins on its surface ?
answered Nov 23, 2016
Ans: ( C ) Plasma membrane
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Identify the structures marked as G, H, I and J in order in the picture:
answered Nov 23, 2016
Ans: (B) gray matter; white matter; interneuron; motor neuron
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Regarding Nature of various types of muscles : Match the following and choose the most appropriate option: (each option on 3 columns can be matched to multiple options on the another 2 columns) eg. A-(iv)-3,5; B-(i); C-(iii)-2; D-(ii),(vi),(vii)-1; (iii),(v)-6;
answered Nov 23, 2016
Ans: ( B ) A-(iii)-2; B-(i)-1; C-(ii)-1
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Identify F,G, H, I and J in order :
answered Nov 23, 2016
Ans: (D) renal capsule, renal artery, renal vein, renal pelvis, ureter
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The maturation site for T-lymphocytes is
answered Nov 23, 2016
Ans: ( D ) thymus
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Identify A, E, G, K, N, O, P in order in the picture :
answered Nov 23, 2016
Ans: (B) Superior Vena Cava, Chordae tendinae, Inferior Vena Cava, Apex, Pulmonary vein, Pulmonary a...
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Expand MHC and where it is located ?
answered Nov 23, 2016
Ans: ( C ) major histocompatibility complex, cluster of genes located on the short arm of chromoso...
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Which primary lymphoid organs are the maturation site for lymphocytes ?
answered Nov 23, 2016
Ans: ( A ) thymus and bone marrow
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Which of the granulocytic cells cytoplasm stains with the basic dye methylene blue ?
answered Nov 23, 2016
Ans: ( B ) basophils
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Which of the granulocytic cells have bilobed nucleus ?
answered Nov 23, 2016
Ans: ( D ) eosinophils
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What are E,F and G in order?
answered Nov 23, 2016
Ans: (D) Vein, Capillary, ArteryVein has a larger lumen, capillary has cells of single thickness and...
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In alveolar and blood & blood and tissue gas exchanges - What are the values of $(X_1, Y_1) ; (X_2, Y_2) ; (X_3, Y_3)$ in the picture marked?
answered Nov 23, 2016
Ans: (A) $(X_1, Y_1) = (40, 45) ; (X_2, Y_2) = (104, 40) ; (X_3, Y_3) = (95, 40)$
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Regarding transverse section of gut - Identify the structures marked as A, D, E, F in order in the picture :
answered Nov 23, 2016
Ans: (C) serosa, sub-mucosa, mucosa, lumen
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Regarding transverse section of gut - Identify the structures marked as B,C in order in the picture and they constitute G-Identify G
answered Nov 23, 2016
Ans: (A) inner circular layer, outer longitudinal layer; Muscularis propria
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In which of the following process, type-B cyclin proteins are not required ?
answered Nov 23, 2016
Ans: (D) none
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