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

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Question: 
An important criterion for evolution of organisms is

1.Mutation

2.Heredity

3.Evolution

4.Variation

Posted Date:-2021-10-08 17:08:29

Question: 
Coupling and repulsion are experimented on fruit fly by

1.Bateson

2.Morgan

3.Punnet

4.Sinnot

Posted Date:-2021-10-08 17:08:29

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

1.Linkage

2.Crossing over

3.Evolution

4.Variation

Posted Date:-2021-10-08 17:08:29

Question: 
Crossing Over occurs when the homologous chromosomes contain

1.One chromatid

2.Two chromatid

3.Four chromatid

4.Eight chromatid

Posted Date:-2021-10-08 17:08:29

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

1.Mutation

2.Heredity

3.Evolution

4.Variation

Posted Date:-2021-10-08 17:08:29

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

1.4032

2.4035

3.149

4.152

Posted Date:-2021-10-08 17:08:29

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

1.4032

2.4035

3.149

4.152

Posted Date:-2021-10-08 17:08:29

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

Posted Date:-2021-10-08 17:08:29

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

1.Crossing over

2.Linkage

3.Mutation

4.Factors interaction

Posted Date:-2021-10-08 17:08:29

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

1.Linkage

2.Crossing Over

3.Mutation

4.Epistasis

Posted Date:-2021-10-08 17:08:29

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

Posted Date:-2021-10-08 17:08:29

Question: 
In maize the genotype of coloured full seeds is

1.CcSs

2.Ccss

3.Ccss

4.ccss

Posted Date:-2021-10-08 17:08:29

Question: 
In maize the genotype of colourless full seeds in

1.CcSs

2.Ccss

3.ccSs

4.ccss

Posted Date:-2021-10-08 17:08:29

Question: 
Linkage is clear in

1.Paddy

2.Maize

3.Snapdragon

4.Sweet pea

Posted Date:-2021-10-08 17:08:29

Question: 
Linkage is maize was reported by

1.Bateson

2.Morgan

3.Hutchinson

4.Sinnot

Posted Date:-2021-10-08 17:08:29

Question: 
Linkage is usually

1.Complete

2.Incomplete

3.Intermediate

4.Full

Posted Date:-2021-10-08 17:08:29

Question: 
Linkage usually gets broken due to

1.Mutation

2.Cross over

3.Epistasis

4.Variation

Posted Date:-2021-10-08 17:08:29

Question: 
Mutation helps for

1.evolution

2.cell division

3.fertilization

4.protein synthesis

Posted Date:-2021-10-08 17:08:29

Question: 
New combination of genes are produced due to

1.Linkage

2.Epistasis

3.Crossing over

4.Duplication

Posted Date:-2021-10-08 17:08:29

Question: 
Pairing of homologous chromosomes is called

1.Terminalisation

2.Linkage

3.Crossing over

4.Synapsis

Posted Date:-2021-10-08 17:08:29

Question: 
Recombination of linked genes is accomplished by

1.Linkage

2.Epistasis

3.Mutation

4.Cross over

Posted Date:-2021-10-08 17:08:29

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

1.Locus

2.Chiasmata

3.Linkage

4.Coupling

Posted Date:-2021-10-08 17:08:29

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

Posted Date:-2021-10-08 17:08:29

Question: 
The genotype of colourless shrunken seeds in maize is

1.CcSs

2.ccss

3.Ccss

4.ccSs

Posted Date:-2021-10-08 17:08:29

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

1.Linkage

2.Crossing over

3.Epistasis

4.Repulsion

Posted Date:-2021-10-08 17:08:29

Question: 
The number of Chromosomal pairs in Drosophila melanogaster is

1.1 pair

2.2 pair

3.3 pair

4.4 pair

Posted Date:-2021-10-08 17:08:29

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

Posted Date:-2021-10-08 17:08:29

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

Posted Date:-2021-10-08 17:08:29

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

Posted Date:-2021-10-08 17:08:29

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

Posted Date:-2021-10-08 17:08:29

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

Posted Date:-2021-10-08 17:08:29

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

Posted Date:-2021-10-08 17:08:29

Question: 
The Zoological name of fruit fly is

1.Drosophila melanogaster

2.Cicer gigas

3.Cicer arietinum

4.Mirabilis jalapa

Posted Date:-2021-10-08 17:08:29

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 Date:-2021-10-08 17:08:29

Posted on by R4R Team

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