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Mutations are considered a source of heritable variation in organisms because they are changes in the DNA sequence that can be passed down from one generation to the next. These changes can lead to differences in traits and characteristics, allowing for genetic diversity within a population.

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What is heritable variation?

Heritable variation refers to differences in traits among individuals that are passed down from one generation to the next through genetic inheritance. These variations are the result of differences in DNA sequences and can be influenced by factors such as mutations, recombination, and gene flow. Heritable variation is essential for natural selection to act upon, leading to evolution within a population.


How does the process of mutation contribute to genetic variation, and how is the randomness of mutations important in evolution?

Mutations are changes in the DNA sequence that can lead to genetic variation. These variations can result in new traits or characteristics in organisms. The randomness of mutations is important in evolution because it introduces new genetic material into a population, which can lead to adaptations that help organisms survive and reproduce in changing environments.


What is the relationship between evolution and genetics?

mutation brings about variation which is the basis of evolution and the two types of variation are heritable and non-heritable


What does heritable variation mean?

Heritable variation refers to differences in traits or characteristics among individuals that are passed down from one generation to the next through genetic mechanisms. These variations are inherited from parents and contribute to the overall genetic diversity within a population.


Molecules responsible for hereditary and variation of organisms?

DNA and RNA are molecules responsible for heredity and variation in organisms. They carry genetic information that is passed down from one generation to the next, and mutations in these molecules can lead to variations within a species.

Related Questions

How does genetic variation and mutations relate to each other?

mutation brings about variation which is the basis of evolution and the two types of variation are heritable and non-heritable


What is heritable variation?

Heritable variation refers to differences in traits among individuals that are passed down from one generation to the next through genetic inheritance. These variations are the result of differences in DNA sequences and can be influenced by factors such as mutations, recombination, and gene flow. Heritable variation is essential for natural selection to act upon, leading to evolution within a population.


What are the main sources of heritable variation in a population?

mutations, recombination, random pairing of gametes


What is variation in evolution?

A variation of a gene is called and allele. Different alleles are caused by mutations.


How does an organism get variation?

Organisms can acquire variation through genetic mutations, which are changes in the DNA sequence. These mutations can occur spontaneously or be introduced through processes like recombination. Additionally, environmental factors can also contribute to variation by influencing gene expression and phenotype.


How does the process of mutation contribute to genetic variation, and how is the randomness of mutations important in evolution?

Mutations are changes in the DNA sequence that can lead to genetic variation. These variations can result in new traits or characteristics in organisms. The randomness of mutations is important in evolution because it introduces new genetic material into a population, which can lead to adaptations that help organisms survive and reproduce in changing environments.


What is the relationship between evolution and genetics?

mutation brings about variation which is the basis of evolution and the two types of variation are heritable and non-heritable


What causes variation in human beings?

the variations in genes, genes of sexually reproducing organisms will vary due to crossing-over of genes, mutations, and adaptations. In asexually reproducing organisms genes will vary through adaptations and mutations.


Why all organisms show variation?

Variations arise due to recombinations(gene rearrangements) ,mutations etc.The former is the principal source of variation in sexually reproducing organisms and the latter is the source of variation in asexual organisms.According to Darwin variation arises due to chance since all the above mentioned process occur in nature spontanuously all organisms show variation


Discuss the causes of variation Living organisms?

Causes of variation is random mutation. Random mutations constantly occur in the genomes of organisms; these mutations create genetic variation. If all living things were same, we will all use up one type of food as our nutrient source and eventually we will run out of food to consume.. making less likely for us to survive..


What would be the term for any uncorrected mistakes during replication?

The term for uncorrected mistakes during replication is mutations. These mutations can result in changes to the genetic material, leading to variation among organisms.


What does heritable variation mean?

Heritable variation refers to differences in traits or characteristics among individuals that are passed down from one generation to the next through genetic mechanisms. These variations are inherited from parents and contribute to the overall genetic diversity within a population.