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).

Database provides necessary means to achieve this abstraction. By structure of a database we mean the data types, relations, and constraints that should hold on the data.

Being submissive to somebody is to acknowledge somebody to be in a greater authority than you are.

Submissive mean in a relationship is you obey that person without complaining or arguing about it.

In short, a submissive is a person who enjoys giving control of themselves to their life partners.

Galloping inflation is also known as jumping inflation.

It refers to a type of inflation that occurs when the prices of goods and services increase at the two-digit or three-digit rate per annum.

The charophytes are the extant group of green algae that are most closely related to modern land plants.

An ideal habitat with unlimited resources is associated with Exponential growth.

India has jumped 12 places to 40th rank globally in travel and tourism competitiveness list by World Economic Forum.

Yes, the given statement that water is more dense than cooking oil is TRUE as water more denser than oil it is sinked when it is poured in oil.