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Finger [1]
3 years ago
15

Which conditions are common to all three of the following: genetic drift, the founder principle, and the bottleneck effect? a. i

n small populations when one genetic trait becomes more common in a population purely by chance b. in small populations and result in a decrease in genetic diversity and/or an increase in the occurrence of specific genetic traits c. when a small group of organisms only reproduce with each other to create a larger population of organisms d. when the majority of a population is killed off and there are only a few remaining organisms left to rebuild the population
Biology
2 answers:
Tcecarenko [31]3 years ago
5 0

Explanation:

Common to genetic drift, the founder principle, and the bottleneck effect:

b. in small populations and result in a decrease in genetic diversity and/or an increase in the occurrence of specific genetic traits

c. when a small group of organisms only reproduce with each other to create a larger population of organisms

d. when the majority of a population is killed off and there are only a few remaining organisms left to rebuild the population

Further Explanation:

During the process of cell division, spontaneous changes within the genome can arise, called mutations. These are errors occur when copies of the DNA within the cell are made; mutations may range from small changes called single nucleotide polymorphisms, to large scale deletions, and additions which span multiple genes.

These mutations form variants which become stable within a population, leading to the formation of separate, genetically distinct populations called species.

  • mutations accumulate in a population over time, altering the frequency of alleles or different forms of a gene- this is called genetic drift.
  • In the founder effect, the separation of a group from a larger group can decrease genetic diversity, this can create a genetically distinct population
  • In the bottleneck effect, a population die off or barrier to reproduction increases the genetic drift in the population

Learn more about mutations at brainly.com/question/4602376

Learn more about DNA and RNA at brainly.com/question/2416343?source=aid8411316

#LearnWithBrainly

GuDViN [60]3 years ago
5 0

Answer:

letter b

Explanation:

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