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Asked/Added Questions From NCERT:


Question 1. Asked on :24 April 2020:07:01:17 PM

 What is genetic drift?

-Added by Khushi Chauhan Science » Heredity And Evolution

Answer:

priyanshu kumar

 Gane migration or gene flow from a population to a new area is known as genetic drift  

-Answered by priyanshu kumar On 13 May 2020:10:46:31 AM


Question 2. Asked on :24 April 2020:06:59:43 PM

 Define reproduction isolation.

-Added by Khushi Chauhan Science » Heredity And Evolution

Answer:

Nishant Verma

 The inability of a spices to bread successfully with related spices due to geographical, behavioral, physiological, or genetic barriers or differences.

-Answered by Nishant Verma On 25 May 2020:02:00:21 PM


Question 3. Asked on :24 April 2020:06:55:51 PM

 Define natural selection.

-Added by Khushi Chauhan Science » Heredity And Evolution

Answer:

priyanshu kumar

 Nature select the best trates in Spanish lading to the survival of fittes and evolution this phenomenon as a noun as natural selection

-Answered by priyanshu kumar On 13 May 2020:10:51:59 AM


Question 4. Asked on :09 January 2020:06:06:21 PM

 What are the different ways by which speciation takes place? 

-Added by Himanshi Verma Science » Heredity And Evolution

Answer:

A??k Pal

1. Gene flow: occurs between population that are partly but not completely separated.

2. Genetic Drift: It is the random change in the frequency of allels in a population over successive generations.

3. Natural selection: The process by which nature slects and consolidate those organisms which are more suitable adapted and possess favourable variations. 

4. Geographical isolation: It is caused by mountain ranges, rivers etc. geographical isolation leads to reproductive isolation due to which there is no low of genes between seprated groups of population.

-Answered by A??k Pal On 16 January 2020:11:03:56 AM


Question 5. Asked on :09 January 2020:06:04:35 PM

 What is evolution?

-Added by Himanshi Verma Science » Heredity And Evolution

Answer:

A??k Pal

Evolution is the sequence of gradual changes which takes place in the primitive organisms, over million of years, in which new species are produced. 


-Answered by A??k Pal On 16 January 2020:11:04:41 AM


Question 6. Asked on :09 January 2020:06:01:45 PM

Who was known as the father of genetics?

-Added by Himanshi Verma Science » Heredity And Evolution

Answer:

priyanshu kumar
Gregor Mendel, known as the "father of modern genetics," was born in Austria in 1822. A monk, Mendel discovered the basic principles of heredity through experiments in his monastery's garden.

-Answered by priyanshu kumar On 15 January 2020:11:19:57 AM


 

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