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The inheritance patterns of a gene over ...

The inheritance patterns of a gene over generations among humans is studied by the pedigree analysis. Character studied in the pedigree analysis is equivalent to

A

Quantitative trait

B

Medelian trait

C

Polygenic trait

D

Meternal trait

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The correct Answer is:
B
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cancel(square) In pedigree analysis this symbol indicates

What is pedigree analysis? Suggest how such an analysis, can be useful.

Which one of the folloiwng symbols and its representation used in human pedigree analysis is correct?

The products of bond breaking, shown below, are not stable, and cannot be isolated for prolonged study. Such species are referred to as reactive intermediate, and are belived to be transient intermediates in many reactions. The general structures and names of four such intermediates are, Charged Intermediates Uncharged Intermediates Carbocations (called carbonium ions in the older literature) are electrophiles and carbananions are nucleophiles. Carbenes have only a valence shell sextet of electrons and are therefore electron deficient. In this sense they are elecrophiles, but the non-bonding electron pair also gives carbenes nucleophilic character. As a rule, the electrophilic character dominates carbene reactivity. Carbon radicals have only seven valence electrons, and may be considered electron deficient, however, they do not in general bond to nucleophilic electron pair, so their chemistry exhibits differences from that of conventional electrophiles. Radical intermediates are often called free radicals. Intermediates are in general stabilised with conjugation, electron donating and electron with drawing groups. Which of the following is relatively an unstable intermediate compared to rest ?

The products of bond breaking, shown below, are not stable, and cannot be isolated for prolonged study. Such species are referred to as reactive intermediate, and are belived to be transient intermediates in many reactions. The general structures and names of four such intermediates are, Charged Intermediates Uncharged Intermediates Carbocations (called carbonium ions in the older literature) are electrophiles and carbananions are nucleophiles. Carbenes have only a valence shell sextet of electrons and are therefore electron deficient. In this sense they are elecrophiles, but the non-bonding electron pair also gives carbenes nucleophilic character. As a rule, the electrophilic character dominates carbene reactivity. Carbon radicals have only seven valence electrons, and may be considered electron deficient, however, they do not in general bond to nucleophilic electron pair, so their chemistry exhibits differences from that of conventional electrophiles. Radical intermediates are often called free radicals. Intermediates are in general stabilised with conjugation, electron donating and electron with drawing groups. Which of the following carbo cations is more stable?

The products of bond breaking, shown below, are not stable, and cannot be isolated for prolonged study. Such species are referred to as reactive intermediate, and are belived to be transient intermediates in many reactions. The general structures and names of four such intermediates are, Charged Intermediates Uncharged Intermediates Carbocations (called carbonium ions in the older literature) are electrophiles and carbananions are nucleophiles. Carbenes have only a valence shell sextet of electrons and are therefore electron deficient. In this sense they are elecrophiles, but the non-bonding electron pair also gives carbenes nucleophilic character. As a rule, the electrophilic character dominates carbene reactivity. Carbon radicals have only seven valence electrons, and may be considered electron deficient, however, they do not in general bond to nucleophilic electron pair, so their chemistry exhibits differences from that of conventional electrophiles. Radical intermediates are often called free radicals. Intermediates are in general stabilised with conjugation, electron donating and electron with drawing groups. R-N^(+) equiv N" "Cl^(-) rarr R^(+)+N_(2)+Cl^(-) based on the above, which of the following from R^(+) most readily

The products of bond breaking, shown below, are not stable, and cannot be isolated for prolonged study. Such species are referred to as reactive intermediate, and are belived to be transient intermediates in many reactions. The general structures and names of four such intermediates are, Charged Intermediates Uncharged Intermediates Carbocations (called carbonium ions in the older literature) are electrophiles and carbananions are nucleophiles. Carbenes have only a valence shell sextet of electrons and are therefore electron deficient. In this sense they are elecrophiles, but the non-bonding electron pair also gives carbenes nucleophilic character. As a rule, the electrophilic character dominates carbene reactivity. Carbon radicals have only seven valence electrons, and may be considered electron deficient, however, they do not in general bond to nucleophilic electron pair, so their chemistry exhibits differences from that of conventional electrophiles. Radical intermediates are often called free radicals. Intermediates are in general stabilised with conjugation, electron donating and electron with drawing groups. R-N^(+) equiv N" "Cl^(-) rarr R^(+)+N_(2)+Cl^(-) based on the above, which of the following from R^(+) most readily

AAKASH SERIES-PRINCIPLES OF INHERITANCE AND VARIATION-EXERCISE -II (NCERT Examplar problems)
  1. All genes located on the same chromosome.

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  2. Conditions of a karyotype 2n+-1 and 2n+-2 are called

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  3. Distance between the ganes and prcentage of recombination shows.

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  4. If a genetic disease is transferred from a phenotypically normal but c...

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  5. In sickle cell anaemia, glutmic acid is replaced by valine. Which one ...

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  6. Person having geotype I^(A)I^(B) would show the blood group as AB. Thi...

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  7. ZZ/ZW type of sex determination is seen in.

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  8. A cross between two tall plants resulted in offspring having few dward...

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  9. In a dihybrid cross, if youget 9:3:3:1 ratio, it denotes that

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  10. Which of the following will not result in variations among siblings?

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  11. Mendel's law of independent assortment holds good for genes situated o...

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  12. Occassionally, a single gene may express more than one effect. The phe...

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  13. In a certain taxon of insects,some have 17 chromosomes and the other h...

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  14. The inheritance patterns of a gene over generations among humans is st...

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  15. It is said that Mendel proposed that the factor controlling any charac...

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  16. Two genes A and B are linked in a dihybrid cross involving these two g...

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  17. In the F(2) generation fo a mendelian dihybrid cross, the number of ph...

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  18. Mother and father of a person with O blood group have A and B blood gr...

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