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The two main sources of genetic variation are sexual reproduction, and mutation. Sexual reproduction is more common.

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What are two sources of genetic variation?

Natural and Artificial Selection


What are two main sources for genetic variation in a population?

Mutation and recombination are the two main sources of genetic variation in a population. Mutations are changes in the DNA sequence, while recombination occurs through the mixing of genetic material during the formation of gametes.


What also contributes to genetic variation?

The two main sources of genetic variation are gene shuffling and mutations. A mutation is a process wherein the structure of a gene is altered.


What two different sources of genetic variation in a plant or animal population?

The main source of genetic variation is a large population with a large gene pool.


What are the two main of genetic variation?

The two main sources of genetic variation are mutations, which are changes in the DNA sequence, and recombination, which occurs during meiosis when genetic material is exchanged between homologous chromosomes. These processes contribute to genetic diversity within populations.


What are the two main sources for variation?

Mutation and sexual recombination.


Why is variation important for natural selection and what are the main sources of this variation?

Without variation natural selection would have nothing to select from that would confer survivability and reproductive success. on the organisms being selected against the organisms conspecifics and the immediate environment. Mutation and sexual recombination provide the main sources of this variation that is needed to make selection work. Mutation is the variation presented that causes the real adaptive change that can lead to speciation.


Genetic variation occurs when chromosomes are shuffled in and fertilization?

Genetic variation is primarily a result of two main processes: crossing over during meiosis, which shuffles the genetic material on homologous chromosomes, and fertilization, which combines the genetic material from two different individuals. These processes lead to the creation of offspring with unique combinations of genetic information.


What are the two main sources of genetic information?

The two main sources of genetic information are DNA and RNA. DNA carries the genetic instructions for all living organisms, and RNA helps in the process of translating these instructions into proteins.


What are the 4 main theories of evolution?

The four main theories of evolution are natural selection, genetic drift, gene flow, and mutations. Natural selection is the process by which beneficial traits become more common in a population. Genetic drift is the random fluctuation of allele frequencies in a population. Gene flow refers to the transfer of genes between populations. Mutations are the source of new genetic variation in a population.


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

mutations, recombination, random pairing of gametes


What are the two main factors that cause individuals of the same species to appear different?

Genetic variation and environmental factors are the two main factors that cause individuals of the same species to appear different. Genetic variation results from differences in DNA sequences passed down through generations, while environmental factors such as diet, climate, and exposure to sunlight can also influence physical appearance.