Question # 1

What will be the risk of heamophilia in sons if father is haemophilic and mother is normal

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0%

20%

25%

50%

A phenotype which can't be expressed in heterozygous state but can only be expressed other in homo or hemi form, would be

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Dominant

Bombay

Recessive

Ordinary

Interaction of two loci

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Pleiotropy

Epistasis

Dominance

Differentiation

Diabetes is the leading cause of

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Kidney failure

Adult blindness

Heart disease

All of these

Which enzyme deficiency leads to phenylketonuria

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Phenylalanine oxidase

Phenylalanine hydroxylase

Phenylalanine synthase

Phenylalanine carboxylase

A heterrozygote offspring quantitatively exceeds the phenotypic expression of both the homozygote parents due to:

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dominance

incomplete dominance

over dominance

codominance

What are chances for having Rh-ve baby if one parent is Rh+ve and (homozygous) and other is Rh-ve

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25%

50%

100%

0%

What is the 5th amino acid in sickle cell beta chain

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Histidine

Proline

Leucine

Valine

Which of the following traits is not sex-linked recessive ?

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haemophilia

colour blindness

hypophosphatemic ricket

tfm syndrome

What is the probability of having albino child if father and mother both are carrier(Aa)

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25%

30%

50%

75%

Point mutation occurs in

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Sickle cell anemia

Phenylketonuria

Alkaptonuria

All

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