Question # 1

Insulin receptors are present in

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Cytoplasm of muscle cells

Cell membrane of liver cells

Cell membrane of muscles and liver cells

Cell membrane of all body cells

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

Queen victoria was having which kind of haemophilia

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A

B

C

None

When a haemophilic carrier woman marries a normal man, who among her offspring may be affected

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all her children

all her daughter

half of her daughter

half of her sons

Diabetes is the leading cause of

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Kidney failure

Adult blindness

Heart disease

All of these

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%

Which of these traits zigzags from meternal grand father through a carrier daughter to a grandson ?

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autosomal

X-linked

Y-linked

X and Y linked

Who for the first time found white eye mutant in drosophila ?

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Morgan

Bridges

Correns

De Varies

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

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Histidine

Proline

Leucine

Valine

Mutation may be caused by

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Chemicals

Radiations

Mutagens

All of these

If six cells out of 10, do crossing over what will be percentage of cross over gametes

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60%

30%

40%

50%

Which can convert glucose to glucose 6 phosphate

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Hexokinase

Glucokinase

Phospho fructokinase

Both a & b

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

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25%

30%

50%

75%

Mutatuons are inherited only if they occur in the

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Gland cells

Gametes

Muscle cells

Somatic cells

How may gene pairs contribute to the wheat grain colour?

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one

two

three

four

Interaction of two loci

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Pleiotropy

Epistasis

Dominance

Differentiation

In case of sickle cell anemia, in place of glutamic acid, _________ is found

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Histidine

Valine

Proline

Leucine

Genes can be mapped on chromosomes on the basis of

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Sex linkage

Assortment

Recombination frequency

Gene sequencing

Which enzyme deficiency leads to phenylketonuria

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Phenylalanine oxidase

Phenylalanine hydroxylase

Phenylalanine synthase

Phenylalanine carboxylase

How many kinds of rhodopsins, a blue cone monochromate will have

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3

2

1

No rhodopsins

When a single gene has multiple phenotypic effects, the phenomenon is called:

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condominance

epistasis

pleiotropy

sex-linkage

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