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

A. Genetics	(i) Chromosomes similar in size and shape
B. Autosomes	(ii) The alternative forms of a gene.
C. Recessive gene	(iii) Study of laws of inheritance of characters
D. Allele	(iv) A gene tha can express only when in a similar pair
E. Homologous chromosomes	(v) Chromosomes other than the pair of sex chromosomes

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.

Rewrite and complete the following sentences by inserting the correct word
in the space indicated:

__________ is the scientific name of garden pea, which Mendel used for his
experiments.

Briefly answer the following questions:

v. Mendel's Law of dominance