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What people are asking?

Vanya Raghav

May 24, 2015


What are complementary genes and supplementary genes?

Answer.

Complementary genes are the genes which are present on different genetic loci but interact with each other to express a single character in combination. That is they both together produce...

Answer (2)

Irahmathullah

Jan 4, 2015

A cross is made between a pea plant with axial violet flower and another pea plant with terminal white flower. What is the cross involved and show the phenotype and the genotype in the experiment?

Answer,

Fo...

Answer (2)

Ethesh

May 16, 2014

Name the type of inheritance in which genotypic ratio is the same as the phenotypic ratio.

The type of inheritance in which genotypic ratio is the same as the phenotypic ratio is incomplete dominance.

Answer (1)

Sanalkumar S

Apr 25, 2015

Comment on the similarity between the wing of a cockroach and the wing of a bird. What do you infer from the above, with reference to evolution?

Sol:
Wing of a cockroach and wing of a bird perform similar functions but both differ in their origin as cockroach is an invertebrate and bird is a vertebrate.
On a evolutionary basis, analogous c...

Answer (1)

Misha Jain

May 13, 2014

How would the following affect the phenomenon of independent assortment?

(a) Crossing Over

(b) Linkage

During meiosis, chromosomes assort randomly into gametes, such that the segregation of alleles of one gene is independent of alleles of another gene. This is stated in Mendel's Second Law and is known as th...

Answer (1)

Ethesh

May 16, 2014

A diploid organism is heterozygous for four loci, how many types of gametes can be produced?

Gametes formed for heterozygous conditions from three loci are eight. Similarly haploid gametes formed from four loci are sixteen.

Answer (1)

Harshita Yadav

May 22, 2015

Is it true that the honeybees have only grandfathers and no fathers?

In Honey bees, fertilised eggs grow either into queen or into workers.Unfertilised eggs develop into males called as drones. Queen bee has two sets of chromosomes one from father and one from mother. This queen...

Answer (2)

Adithyan Sanal

May 6, 2015

What are the procedures by which a patient suffering from ADA deficiency can be treated?

Sol:
ADA deficiency is an autosomal recessive disorder which is observed in children very rarely. Adenosine deamianase is the enzyme which acts upon toxic substance produced in the body called as deoxyad...

Answer (1)

Ethesh

May 16, 2014

Name the animal which Morgan selected for his cytogenetic studies?

Morgan selected Drosophila melanogaster for his cytogenetic studies. 

Answer (1)

Harshita Yadav

May 22, 2015

Bring out the difference between chromosome, gene and genome.

Sol:

A chromosome is an organized structure of DNA and protein found in the nucleus of cells. It is a single piece of coiled DNA containing many genes. These are considered to be...

Answer (1)

Vanya Raghav

May 24, 2015


What are complementary genes and supplementary genes?

Answer.

Complementary genes are the genes which are present on different genetic loci but interact with each other to express a single character in combination. That is they both together produce...

Answer (2)

Irahmathullah

Jan 4, 2015

A cross is made between a pea plant with axial violet flower and another pea plant with terminal white flower. What is the cross involved and show the phenotype and the genotype in the experiment?

Answer,

Fo...

Answer (2)

Ethesh

May 16, 2014

Name the type of inheritance in which genotypic ratio is the same as the phenotypic ratio.

The type of inheritance in which genotypic ratio is the same as the phenotypic ratio is incomplete dominance.

Answer (1)

Sanalkumar S

Apr 25, 2015

Comment on the similarity between the wing of a cockroach and the wing of a bird. What do you infer from the above, with reference to evolution?

Sol:
Wing of a cockroach and wing of a bird perform similar functions but both differ in their origin as cockroach is an invertebrate and bird is a vertebrate.
On a evolutionary basis, analogous c...

Answer (1)

Misha Jain

May 13, 2014

How would the following affect the phenomenon of independent assortment?

(a) Crossing Over

(b) Linkage

During meiosis, chromosomes assort randomly into gametes, such that the segregation of alleles of one gene is independent of alleles of another gene. This is stated in Mendel's Second Law and is known as th...

Answer (1)

Ethesh

May 16, 2014

A diploid organism is heterozygous for four loci, how many types of gametes can be produced?

Gametes formed for heterozygous conditions from three loci are eight. Similarly haploid gametes formed from four loci are sixteen.

Answer (1)

Harshita Yadav

May 22, 2015

Is it true that the honeybees have only grandfathers and no fathers?

In Honey bees, fertilised eggs grow either into queen or into workers.Unfertilised eggs develop into males called as drones. Queen bee has two sets of chromosomes one from father and one from mother. This queen...

Answer (2)

Adithyan Sanal

May 6, 2015

What are the procedures by which a patient suffering from ADA deficiency can be treated?

Sol:
ADA deficiency is an autosomal recessive disorder which is observed in children very rarely. Adenosine deamianase is the enzyme which acts upon toxic substance produced in the body called as deoxyad...

Answer (1)

Ethesh

May 16, 2014

Name the animal which Morgan selected for his cytogenetic studies?

Morgan selected Drosophila melanogaster for his cytogenetic studies. 

Answer (1)

Harshita Yadav

May 22, 2015

Bring out the difference between chromosome, gene and genome.

Sol:

A chromosome is an organized structure of DNA and protein found in the nucleus of cells. It is a single piece of coiled DNA containing many genes. These are considered to be...

Answer (1)

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