0
Which would most likely decrease the genetic variation in the human population?
What else can I help you with?
Processes is least likely to introduce variations into the genetic make-up of a population?
Mitosis
What would most likely decrease the genetic variation in the human population?
A widespread disaster would reduce the variety within the human genetic pool by eliminating all but certain segments of the population. A global plague could potentially have the greatest effect, as plagues (see: black plague, Spanish influenza) often will often decimate all of a local population save for those with genetic immunity--thus standardizing that mutation in future populations. Global catastrophe could also inhibit travel, and would limit human reproduction to their immediate region, limiting the genetic range of potential offspring.
Which would likely decrease the genetic variation in the human population?
If the human population was reduced to a very small number of interbreeding individual then this small population, denied outbreeding, would have very little genetic variation. Humans, who went through a bottleneck event about 70,000 years ago, are considered a " small " species because they have little genetic variation in comparison to many other species. Google cheetah to see how this concept works.
Which of the following would be most likely to decrease genetic variability. A bottleneck B B genetic drift C mutation D random mating?
A bottleneck event would decrease your population to a very small number and, consequently, your gene pool would contract, some alleles would be lost and genetic variability would decrease. Google Cheetahs.
What type of cell reproduction is more likely to increase genetic diversity?
Sexual reproduction is more likely to increase genetic diversity because it involves the combination of genetic material from two parent cells to create a unique offspring with a mix of traits from both parents. This process introduces new genetic variations that can result in increased diversity within a population.
How does population size and mutations affect the rate of evolution?
A larger population size provides more genetic diversity, allowing mutations to have a greater chance of generating new beneficial traits. This can accelerate the rate of evolution as advantageous mutations are more likely to spread through the population. Conversely, a small population size can lead to genetic drift and decrease genetic diversity, limiting the rate of evolution.
How does variations form the basis of evolution?
Variations in traits within a population arise due to genetic mutations, genetic recombination, and environmental factors. These variations provide the raw material for natural selection to act upon, resulting in changes in allele frequencies over time. Through this process, individuals with advantageous traits are more likely to survive and reproduce, leading to the evolution of populations over generations.
Which factor would most likely disrupt genetic equilibrium in a large population?
Genetic Drift
What characteristic do a bottleneck and a founder effect have in common?
The founder effect a genetic bottleneck are similar in their effect on the genetic diversity of a local population in both situations. They result in the development of a population from a small number individuals and is likely to have reduced genetic diversity.
If the population of snakes increases the population of frogs will most likely?
Decrease, as snakes are predators of frogs and an increase in snake population would lead to more predation on frogs, reducing their population.
What is a small gene pool?
A small gene pool refers to a limited set of genetic variations within a population, which can increase the risk of genetic disorders or reduce the population's ability to adapt to changing environments. It can occur in isolated or inbred populations where individuals are more likely to share similar genetic traits.
What are 4 processes of evolution?
Natural selection: Individuals with advantageous traits are more likely to survive and reproduce. Mutation: Random genetic changes that can lead to new variations in a population. Genetic drift: Changes in gene frequencies due to random events, such as population bottlenecks. Gene flow: Movement of genes between different populations through migration, leading to genetic diversity.
