Advertisements
Advertisements
Questions
Give any ‘two’ factors responsible for genetic variation.
Explain any two causes of genetic variation.
Solution
Gene mutations, gene flow, genetic recombination, genetic drift, and chromosomal aberration are some factors or Causes responsible for genetic variation.
- Gene mutations: A sudden, permanent heritable change in DNA, such as a point mutation within a gene, leads to variations by altering the phenotype of an organism.
- Gene Flow: The movement of genes into or out of a population through migration, gametes, or DNA segments, which changes gene frequencies and contributes to genetic variation.
APPEARS IN
RELATED QUESTIONS
Overproduction is the principle of
(A) Lamarckism
(B) Theory of organic evolution
(C) Panspermia theory
(D) Modern theory of evolution
From the visible spectrum of light, which component is reflected by the given leaves?
Very short answer question.
If variation occurs in a population by chance alone and not by natural selection and brings a change in frequencies of an allele. What is it called?
Long answer question.
Describe the different types of reproductive isolations.
______ changes the genes rearrangement (order or sequence) resulting in variation.
Modem synthetic theory encompasses which of the following concepts?
Genetic drift is more significant in ______
After the industrial revolution in Great Britain in 1845 which of the following occurred?
Fertilization between opposite mating gametes leads to ______.
What is Genetic recombination?
