Recent questions tagged ch5

Trisomy is _ and monosomy is _

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Polyploidy occurs due to

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Aneuploidy occurs due to

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Match the following

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loss or gain of chromosomes is called

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Phenyl ketonuria can be diagonsed by

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Phenyl ketonuria is manifested in individuals as

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the accumulated phenylalanine in phenyl ketonuria is

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in phenylketonuria there is deficiency of enzyme that converts _ to _

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the mutatant hemoglobin in sickle cell anaemia undergoes

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Phenyl ketonuria is

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In sickle cell anaemia _ is substituted for _

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In sickle cell anaemia HbAHbS is a _ while HbSHbS is _

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sicle cell anaemia is

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Consider the mother having hemophilia. which of these is true

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X-linked recessive trait is transmitted from

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In case of individuals with hemophilia

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Match the following

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In a pedigree tree, the order of birth is

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__ radiations are mutagenic

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The inheritance of a specific trait can be traced by

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chromosomal aberrations are generally observed in

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Frame shift mutations are caused by

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Sickle cell anemia shows__ mutation

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In each pregnancy, the probability of a male child to female is

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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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In grasshopper, the male has while the femal has in addition to the autosomes

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___ used the frequency of recombination to dtermine the distance between the 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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Stable discrete units that control the expresion of traits is called

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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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