Recent questions tagged neet

A mutation arises due to alteration in

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The condition where the male can have __ is called male heterogamety

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the frequency of recombination is___ to the distance between two genes

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the phenotypic ratio 9:3:3:1 is obserrved when

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the hereditary variations in Drosophile can be observed with

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the model organism used by Morgan was

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the lie cycle of Drosophila is

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the chromosomal theory of inheritance was proposed by

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the experimental verification of the chromosomal theory of inheritance was given by

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Independent pairs segregate independently of each other _______ while One pair segregates independently of another pair refers to

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when germ cells are formed, the chromosomes

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The two alleles of a gene pair are located on sites on chromosome

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the behaviour of chromosomes is parallel to the behaviour of the genes' -- this was proposed by

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The mendels dihydrid cross ration of 9:3:3:1 represents

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In mendels dihybrid cross the ratio of yellow to green and round to wrinkled was

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One gene codes for __ phenotype

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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

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Red flowers (dominant phenotype) are crossed with white flowers( recessive). The amount of essential oils extracted from red flowers is more than that of white. The resulting progency producing pink flowers with high amount of essential oils.This can be best explained as

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Match the following

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Catalase carries out the conversion of hydrogen peroxide to water and oxygen. One of the alleles express a low turn-over enzyme while the other produces a misfolded protein. The phenotypic ratio of dominant to recisive alleles in this case will be

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Heterozygous one produces two kinds of gametes each having one allele with equal proportion can be explained by

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A condition where the genotypic ratio obeys mendelian laws while the phenotypic ratio does not

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In an experiment where red and white flowers are crossed and the F2 generation not having pink flowers can be explained by

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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

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The phenotypic proportion of 3: 1 is explained by

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According to daw of dominance, 'factors' occur in

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Consider red flowers are dominant over blue flowers. When the test cross gives 50% blue and 50 % red, the parent is

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The crossing of a dominant phenotype with a recessive parent is called

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The genotypic ratio of the Mendel's law can be expressed by

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The pictorial representation of the Mendels Law was done by

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During segregation the probability of the gamete containing either allele is

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The recessive allele does not get expresssed in the F1 but is expressed in the F2. This can be explained on the basis of

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whether the alleles of a plant are homozygous or heterozygous can be differentiated

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The X chromosome in the woman is the carrier for Turner syndrome while the X chromosome of the Man is not defective. These two X chromosomes are ____ to each other

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What we call genes today, Mendel called them as ___

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The first experiment of crossing a tall and dwarf P.sativum by Mendel explained _ while it did not explain the phenomenon of _

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The removal of anthers is called

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The ratio of dwarf:tall plants in the F1 generation is

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The child looks similar to the parents but not the same is due to

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Match the following:

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Amino acids are linked by a _ bond while the monosaccharides are held by _ bond

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The stage between first and second meiotic divisions with no DNA synthesis is called _ and is __-lived

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Which of the following is true? Meiosis a. results in conservation of chromosome number across generations b. reduction of chromosome number c. increases variability in species d. important for cell repair

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crosssing over is mediated by the enzyme

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Which of the following is NOT true? Pachytene is

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the diplotene stage is characterised by the presence of

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The condition where the complex formed by the pair of homologous chromosome adjointed at a synapse is called

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The beginning of the pairing of chromosomes occurs at

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compaction of chromosomes occurs during ____ stage of meiosis

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which of the following is true? Mitosis a. is associated with cell repair b. occurs in the apical and lateral cambium of a plant c. functions to restore the nuclear-cytoplasmic ratio d. it occurs during gametogenesis in both plants and animals

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