Which of the following is most FALSE regarding the genetic substrate (variation) on which selection acts?Group...

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Medical Sciences

Which of the following is most FALSE regarding the geneticsubstrate (variation) on which selection acts?
Group of answer choices
Inbreeding, caused by genetic drift, results in a high level ofhomozygosity in a population
Sex creates new combinations of genotypes
Genetic drift could reduce the levels of allelic and genotypicvariation
Mutations are a source of allelic variation
Epigenetic modifications give rise to allelic diversity

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4.1 Ratings (834 Votes)

Answer : The most false statement among these are:

Epigenetic modifications give rise to allelic diversity.

Epigenetic Modification: The epigenetic modifications do not change DNA sequence but it affects how cells read genes. The epigenetic modifications are stable and heritable gene expressions and cellular function without changes to orginal DNA sequences. Epigenetic modifications do not give rise to allelic diversity.

All other answers are true.

- Inbreeding caused due to genetic drift exhibits increased homozygosity.

- Sex combines two genotypes to create new one.

- Genetic drift reduces the genetic variation.

- Mutations results in formation of new alleles.

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