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What causes many endangered species that now found only in zoos to have very little genetic variation?
Founder effect refers to the loss of genetic variation when a new colony is established by a very small number of individuals from a larger population. As a result of the loss of genetic variation, the new population may be distinctively different.
Bottleneck effect is an evolutionary event in which a significant percentage of a population or species is killed or otherwise prevented from reproducing, and the population is reduced by 50% or more, often by several orders of magnitude.
Population bottlenecks increase genetic drift, as the rate of drift is inversely proportional to the population size.
They also increase inbreeding due to the reduced pool of possible mates.
What else can I help you with?
What causes variation within species?
because the variation causes the variation becasue of the variation of the species. genetic mutation and adaption of some members to physical condition better than others (survival and reproduction of those best able to adapt to the environment. ) It can also be affected by the contact the species has doesn't have with other populations of the species.
What causes genetic variation in a species?
genetic variation happens because of meiosis. chromosomes are randomly in each sperm/egg cell, and so when they come together it's unlikely to get the same combination twice
If a certain species has little genetic variation what could lead to its rapid extinction?
A lack of genetic variation can make a species less able to adapt to changing environmental conditions or new threats like diseases or predators. This reduced ability to adapt increases the species' vulnerability to extinction if they cannot effectively respond to these challenges.
What causes endanger?
The dying off of a certain species causes that species to become endangered (the low count of that species)
What is the major cause of variation within species?
Genetic mutations are the major cause of variation within species. Mutations can introduce new genetic traits that can be passed on to offspring, leading to diversity within a population. Other factors like genetic recombination, migration, and environmental influences can also contribute to variation within species.
How is genetic diversity beneficial a species?
Crossing over causes genetic diversity. If there was no genetic diversity in a species, the species would be prone to extinction.
How is genetic diversity to beneficial to a species?
Crossing over causes genetic diversity. If there was no genetic diversity in a species, the species would be prone to extinction.
How is genetic diversity beneficial to species?
Crossing over causes genetic diversity. If there was no genetic diversity in a species, the species would be prone to extinction.
What characteristic within populations causes natural to occur?
genetic variation
What kind of reproduction causes variation in organisms?
Sexual reproduction causes variation in organisms because it involves the mixing of genetic material from two parents, resulting in offspring with a unique combination of genes. This variation is essential for the adaptation and evolution of species over time.
What causes variation within a species?
It has adaptations
How does genetic combination help a species to survive?
Genetic combination increases genetic diversity within a species, providing a wider range of traits and characteristics. This diversity can enhance a species' ability to adapt to changing environments and challenges, increasing its chances of survival and evolution. Moreover, genetic combination can help dilute harmful mutations and increase the chances of beneficial ones being passed on to future generations.
