Question

define gene. ....................

Answer 1

A gene is a molecular unit of heredity of a living organism. It is a name given to some stretches of DNA and RNA that code for a polypeptide or for an RNA chain that has a function in the organism. Living beings depend on genes, as they specify all proteins and functional RNA chains.

may this helps u

Answer 2

Answer :-

A gene is an unit of specific biological functions.

Extra Information :-

• Genes are located at a fixed position on a chromosome.

• Genes are hereditary units.

• Genes are made up of polynucleotides.

• Genes contain instructions for the synthesis of polypeptides.

• Genes vary greatly in size, from less than 100 base pairs to several million base pairs.

• The ultrastructure of genes was provided by a scientist named- "Benzer" in the year 1957.

• According to Benzer, genes consist of Cistrons, Recons and Mutons.

• Most of the genes are randomly scattered along the chromosomes, however, some are organised into either groups or clusters.