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select the incorrect statement from the following 

  • Linkage is an exception to the principle of independent assortment in heredity

  • galactosemia is an inborn error of metabolism

  • small population size results in a random genetic drift in a population

  • small population size results in a random genetic drift in a population


D.

small population size results in a random genetic drift in a population

Baldness is not a sex -limited trait. 
The linkage is an exception to the principle of independent assortment in heredity. Galactosemia is a hereditary disease that is caused by the lack of a liver enzyme required to digest galactose.

Small population size results in a random genetic drift in population.

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Study the pedigree chart given below.

what does it show?

  • Inheritance of a sex-linked inborn error of metabolism like phenylketonuria

  • Inheritance of a condition like phenylketonuria as an autosomal recessive trait

  • The pedigree chart is wrong as this is not possible

  • The pedigree chart is wrong as this is not possible


Whose experiments cracked the DNA  and discovered unequivocally that is genetic code is a triplet?

  • Nirenberg and Mathaei

  • Hershey and Chase

  • Morgan and Sturtevant

  • Morgan and Sturtevant


Removal of introns and joining the exons in a defined order in transcription unit is called

  • splicing

  • tailing

  • transformation

  • transformation


Which one of the following is the correct matching of three items and their grouping category?

  • Items

    Group

    Malleus, incus, cochlea

    Ear ossicles

  • Items

    Group

    IIium, ischium, pubis

    Coxal bones of pelvic girdle

  • Items

    Group

    Actin, myosin,

    Rhodopsin

    Muscle proteins

  • Items

    Group

    Actin, myosin,

    Rhodopsin

    Muscle proteins


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