Biology
Grade-9
Easy
Question
Any random alteration in allele frequency occurring in the natural population by pure chance is called __________.
- Gene flow
- Genetic drift
- Mutation
- Chromosomal aberration
Hint:
Gene Drift.
The correct answer is: Genetic drift
- Any random alteration in allele frequency occurring in the natural population by pure chance is called Gene Drift.
- It may lead to disappearance of gene variants completely or reduction of genetic variation.
Related Questions to study
Biology
Neo-Darwinism combines the theory of which two scientists?
Neo-Darwinism combines the theory of which two scientists?
BiologyGrade-9
Biology
Genetic variations arise due to:
Genetic variations arise due to:
BiologyGrade-9
Biology
Match the following:
Match the following:
BiologyGrade-10
Biology
What is a change in an organism that allows for it to survive in its environment?
What is a change in an organism that allows for it to survive in its environment?
BiologyGrade-10
Biology
Which of these is not a problem caused by selective breeding?
Which of these is not a problem caused by selective breeding?
BiologyGrade-10
Biology
What does every species demonstrate in the first phase of the explanation for Darwin's theory of natural selection?
What does every species demonstrate in the first phase of the explanation for Darwin's theory of natural selection?
BiologyGrade-10
Biology
Which of the following is not a principle that Darwin identified to affect natural selection?
Which of the following is not a principle that Darwin identified to affect natural selection?
BiologyGrade-10
Biology
Which biological concept is illustrated below?
Which biological concept is illustrated below?
BiologyGrade-10
Biology
The process of natural selection causes evolution. What is changing over time?
The process of natural selection causes evolution. What is changing over time?
BiologyGrade-10
Biology
Survival of the fittest and evolution were proposed by which scientist?
Survival of the fittest and evolution were proposed by which scientist?
BiologyGrade-10
Biology
Which of the following term is known as behavioural changes of individuals of a species that allow for better survival?
Which of the following term is known as behavioural changes of individuals of a species that allow for better survival?
BiologyGrade-10
Biology
What is the name of the theory that explains how all living organisms are connected and how current species adapt to their circumstances and new species emerge?
What is the name of the theory that explains how all living organisms are connected and how current species adapt to their circumstances and new species emerge?
BiologyGrade-10
Biology
Selection for behaviors that help your relatives survive and reproduce is known as __________.
Selection for behaviors that help your relatives survive and reproduce is known as __________.
BiologyGrade-10
Biology
Which of the following is not an observable reality of nature upon which natural selection is based?
Which of the following is not an observable reality of nature upon which natural selection is based?
BiologyGrade-10
Biology
What is the process through which people with specific heritable qualities have a better probability of surviving and reproducing?
What is the process through which people with specific heritable qualities have a better probability of surviving and reproducing?
BiologyGrade-10
