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General Science/Basic Science Genetics Linkage And Crossing Over Sample Test,Sample questions

Question:

An important criterion for evolution of organisms is

1.Mutation

2.Heredity

3.Evolution

4.Variation

Question:

Coupling and repulsion are experimented on fruit fly by

1.Bateson

2.Morgan

3.Punnet

4.Sinnot

Question:

Coupling and repulsion are two aspects of same phenomenon called

1.Linkage

2.Crossing over

3.Evolution

4.Variation

Question:

Crossing Over occurs when the homologous chromosomes contain

1.One chromatid

2.Two chromatid

3.Four chromatid

4.Eight chromatid

Question:

Crossing over plays an important role in the process of

1.Mutation

2.Heredity

3.Evolution

4.Variation

Question:

Due to linkage in maize, the number of coloured shrunken seeds produced are

1.4032

2.4035

3.149

4.152

Question:

Due to linkage in maize, the number of colourless shrunken seeds produced are

1.4032

2.4035

3.149

4.152

Question:

During crossing over, exchange of chromosomal or genetic material takes place between

1.two chromatids

2.two chromosomes

3.two non-sister chromatids of each tetrad

4.two sister chromatids of each homologue

Question:

Genes located on the same Chromosome do not separate independently because of

1.Crossing over

2.Linkage

3.Mutation

4.Factors interaction

Question:

Homologous chromosomes exchange corresponding segments between non-sister chromatids during

1.Linkage

2.Crossing Over

3.Mutation

4.Epistasis

Question:

In maize parental and recombinations are produced in the ratio of

1.50:50:00

2.9:07

3.96.4:3.6

4.1:7:7:1

Question:

In maize the genotype of coloured full seeds is

1.CcSs

2.Ccss

3.Ccss

4.ccss

Question:

In maize the genotype of colourless full seeds in

1.CcSs

2.Ccss

3.ccSs

4.ccss

Question:

Linkage is clear in

1.Paddy

2.Maize

3.Snapdragon

4.Sweet pea

Question:

Linkage is maize was reported by

1.Bateson

2.Morgan

3.Hutchinson

4.Sinnot

Question:

Linkage is usually

1.Complete

2.Incomplete

3.Intermediate

4.Full

Question:

Linkage usually gets broken due to

1.Mutation

2.Cross over

3.Epistasis

4.Variation

Question:

Mutation helps for

1.evolution

2.cell division

3.fertilization

4.protein synthesis

Question:

New combination of genes are produced due to

1.Linkage

2.Epistasis

3.Crossing over

4.Duplication

Question:

Pairing of homologous chromosomes is called

1.Terminalisation

2.Linkage

3.Crossing over

4.Synapsis

Question:

Recombination of linked genes is accomplished by

1.Linkage

2.Epistasis

3.Mutation

4.Cross over

Question:

The adjacent non-sister chromatid remain in contact at certain points called

1.Locus

2.Chiasmata

3.Linkage

4.Coupling

Question:

The genes located on the same Chromosome that are inherited together are known as

1.Complementary genes

2.Supplementary genes

3.Mutant genes

4.Linked genes

Question:

The genotype of colourless shrunken seeds in maize is

1.CcSs

2.ccss

3.Ccss

4.ccSs

Question:

The mechanism that provides the basis for new varieties of plant is

1.Linkage

2.Crossing over

3.Epistasis

4.Repulsion

Question:

The number of Chromosomal pairs in Drosophila melanogaster is

1.1 pair

2.2 pair

3.3 pair

4.4 pair

Question:

The ratio observed by Bateson and Punnet when they test crossed in sweet pea between BbLl and bbll was

1.9:3:3:1

2.9:07

3.7:1:1:7

4.12:03:01

Question:

The ratio obtained by Bateson and Punnet when they test crossed second time between blue long and red round in sweet pea

1.7:1:1:7

2.1:1:1:1

3.1:7:7:1

4.9:3:3:1

Question:

The scientist who considered that the genes carried on the same chromosome remain linked as a group and are transmitted together through the gametes to the offspring

1.Hutchinson

2.Bateson

3.Morgan

4.Correns

Question:

The scientist who discovered that coupling and repulsion are two aspects of a single phenomenon called linkage is

1.Bateson

2.Mendel

3.Morgan

4.Punnet

Question:

The scientists who proved that Mendel's law of independent assortment is not universal

1.Morgan and Mendel

2.Chiasmata

3.Bateson and Punnet

4.Sinnot and Punnet

Question:

The tendency of two different genes to remain apart if they come from two different parents is

1.Coupling

2.Repulsion

3.Linkage

4.Crossing over

Question:

The Zoological name of fruit fly is

1.Drosophila melanogaster

2.Cicer gigas

3.Cicer arietinum

4.Mirabilis jalapa

Question:

When two different genes come from the same parent they tend to remain together is called

1.Coupling

2.Repulsion

3.Linkage

4.Crossing over

Posted on by Online Exam TestTeam

General Science/Basic Science Genetics Linkage And Crossing Over Sample Test,Sample questions

Question:
An important criterion for evolution of organisms is

Question:
Coupling and repulsion are experimented on fruit fly by

Question:
Coupling and repulsion are two aspects of same phenomenon called

Question:
Crossing Over occurs when the homologous chromosomes contain

Question:
Crossing over plays an important role in the process of

Question:
Due to linkage in maize, the number of coloured shrunken seeds produced are

Question:
Due to linkage in maize, the number of colourless shrunken seeds produced are

Question:
During crossing over, exchange of chromosomal or genetic material takes place between

Question:
Genes located on the same Chromosome do not separate independently because of

Question:
Homologous chromosomes exchange corresponding segments between non-sister chromatids during

Question:
In maize parental and recombinations are produced in the ratio of

Question:
In maize the genotype of coloured full seeds is

Question:
In maize the genotype of colourless full seeds in

Question:
Linkage is clear in

Question:
Linkage is maize was reported by

Question:
Linkage is usually

Question:
Linkage usually gets broken due to

Question:
Mutation helps for

Question:
New combination of genes are produced due to

Question:
Pairing of homologous chromosomes is called

Question:
Recombination of linked genes is accomplished by

Question:
The adjacent non-sister chromatid remain in contact at certain points called

Question:
The genes located on the same Chromosome that are inherited together are known as

Question:
The genotype of colourless shrunken seeds in maize is

Question:
The mechanism that provides the basis for new varieties of plant is

Question:
The number of Chromosomal pairs in Drosophila melanogaster is

Question:
The ratio observed by Bateson and Punnet when they test crossed in sweet pea between BbLl and bbll was

Question:
The ratio obtained by Bateson and Punnet when they test crossed second time between blue long and red round in sweet pea

Question:
The scientist who considered that the genes carried on the same chromosome remain linked as a group and are transmitted together through the gametes to the offspring

Question:
The scientist who discovered that coupling and repulsion are two aspects of a single phenomenon called linkage is

Question:
The scientists who proved that Mendel's law of independent assortment is not universal

Question:
The tendency of two different genes to remain apart if they come from two different parents is

Question:
The Zoological name of fruit fly is

Question:
When two different genes come from the same parent they tend to remain together is called

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