Questions

Random mutations are the ultimate source of genetic variation. Mutations are likely to be rare and most mutations are neutral or deleterious, but in some instances, the new alleles can be favored by natural selection. Polyploidy is an example of chromosomal mutation.

Mutations are changes in the DNA. A single mutation can have a large effect.

1) mutation - an alteration in DNA sequence, various types

2) intragenic recombination - results in entirely new associations of genes not present in either parental genome.

Two forms of intragenic recombination:

a) crossing over
b) independent assortment
3) reticulation – acquisition of genetic material from unrelated or relatively unrelated sources (e.g., hybrid species, horizontal gene transfer).

Because V K Krishna Menon spoke for 13hours continuously while representing india.

Common properties of Minerals are :

1. All minerals are formed in a natural process.

2. Minerals are inorganic

3. Minerals are crystalline solids.

4. Every mineral is an element or compound with a definite chemical composition.

The concept of carbon credit for manufacturers originated with the Kyoto Agreement (Protocol) of 1997.

Lady of the Lamp

M=Pe^yr

2893.08

I=M-P

A galvanic cell is also known as voltaic cell provides electrical energy from the chemical energy.

An Illustration is a visual image created to accompany words to depict them.