Name the following:

The type of gene which is not expressed in the presence of a contrasting allele.

Match the terms in column I with their explanations in column II

Match the terms in column I with their explanation in column II

Name the Following

The cross between two parents having one pair of contrasting characters

Name the following

The cross involvi

Name the following:

The physical expression of genes in an individual.

Choose the correct answer from the four options given below:

The recessive gene is one which expresses itself in

Briefly explain the following terms.

Given below is a schematic diagram showing Mendel's experiment on sweet pea plants having axial flowers with round seeds (AARR) and terminal flowers with wrinkled seeds ( aarr). Study the same and answer the questions which follow:



(i) Give the phenoeype of F1 progeny.
(ii) Give the phenotypes of F2 progeny produced upon by the self-pollination of F1
progeny.
(iii)Give the phenotypic ratio of F2 progeny.
(iv)Name and explain the law induced by Mendel on the basis of the above

Give biological reasons for the following:

The wall of the ventricle is thicker than the auricle.

Name the following:

iv. The cross between two parents having one pair of contrasting characters.