Question # 1

James Watson and Francis Crick proposed the structure of DNA in:

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1953

1963

1933

1922

THe alternate form of a gene are called:

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Genotype

Phenotype

Alleles

Replication

THe location or position of genes on chromosomes are called:

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Loci

Alleles

Phenotypes

Genotypes

How many hydrogen bounds are formed between adenine and thymine?

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1

2

3

4

The relationship between the alleles IA and IB of the blood group is:

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complete dominance

incomplete dominance

recessiveness

co-dominance

It is genetic material.

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DNA

RNA

IRNA

rRNA

Gene contain instructions for the synthesis of.

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Fats

Carbohydrates

Vitamins

Proteins

The genotype of wrinkled green seeds was:

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RRyy

RyYr

RRYY

rryy

An organism's expressed physical trait, such as seed colour or pod shape is called its.

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Genotype

Phenotype

Physical type

Karyotype

There are how many pairs of homologous chromosomes in human body cell?

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22

23

40

46

Which component of cell is involved in translation?

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Ribosome

Mitocondria

Golgi apparatus

Nucleus

Inside of double helix consists of:

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Nitrogenous bases

sugar

sugar Phosphate

Phosphate

The allele which is not expressed is called:

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Dominant

Phenotype

Genotype

Recessive

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