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A diverse community is a community populated by people from many different backgrounds; differences in background such as social, economic, religious, ethnic, or country of origin.
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Populations with high levels of genetic diversity are likely to adapt to changes in the environment?
Yes, populations with high genetic diversity have a larger pool of genetic variations to draw from, increasing the chances of beneficial traits emerging in response to environmental challenges. This flexibility allows the population to adapt more effectively to changing conditions compared to populations with low genetic diversity.
Is it true that the offspring of two parents obtains a single copy of every gene frome each parent?
Yes, in sexual reproduction, offspring typically inherit one copy of every gene from each parent. This ensures genetic diversity in the offspring and contributes to the variability in traits and characteristics.
A mutation is a change in the genetic coding of a gene.?
Correct. Mutations can be caused by various factors such as errors during DNA replication, exposure to radiation or chemicals, or through genetic inheritance. These changes can have a wide range of effects on an organism, from being harmless to causing diseases or altering traits.
What is a reccesive gene?
A recessive gene is a gene that is only expressed if an individual has two copies of it, one inherited from each parent. In the presence of another dominant gene, the recessive gene's trait is not expressed.
Is the sentence true or false - genetic variation is found only in wild organisms in nature?
False. Genetic variation is found in all organisms, both wild and domesticated, as it is a natural result of reproduction and mutation. Domesticated organisms can also exhibit genetic diversity due to selective breeding practices.
A gene pool typically contains just one allele for each inheritable trait true or false?
False. A gene pool typically contains multiple alleles for each inheritable trait, as individuals within a population can have different variations of a gene. This genetic variation allows for diversity within a population and can play a role in evolution.
Populations with high levels of genetic diversity are likely to adapt to changes in the environment?
Yes, populations with high genetic diversity have a larger pool of genetic variations to draw from, increasing the chances of beneficial traits emerging in response to environmental challenges. This flexibility allows the population to adapt more effectively to changing conditions compared to populations with low genetic diversity.
It is believed that genetic drift was a factor in the diversity of humans?
true
True or false natural selection does not always result in an increase in genetic diversity?
true
Why is it hard for natural selection to stop the declin of the cheetah population?
No genetic variation in the cheetah population gene pool, so natural selection has nothing to select from and the inbreeding depression keeps deleterious traits breeding true among cheetahs and natural selection can not eliminate them from the gene pool.
Is mutation a change in the genetic information contained in a gene?
true
Does a polyploid plant have more than two copies of each gene?
Yes, polyploid plants have more than two sets of chromosomes, which means they can have multiple copies of each gene. This can lead to increased genetic diversity, altered gene expression, and potential advantages such as increased tolerance to stress or disease.
Is it true that the offspring of two parents obtains a single copy of every gene frome each parent?
Yes, in sexual reproduction, offspring typically inherit one copy of every gene from each parent. This ensures genetic diversity in the offspring and contributes to the variability in traits and characteristics.
Do the allelic frequency of a gene does not change when it is genetic equilibrium?
In genetic equilibrium, the allelic frequencies of a gene remain constant over generations. This equilibrium occurs when certain conditions are met, such as no mutation, migration, genetic drift, or natural selection affecting the gene pool. Any deviation from these conditions can disrupt the equilibrium and cause changes in allelic frequencies.
Is it true that genetic engineers cannot control whether or not a gene transferred to an organsim will be passed to the offspring of the organism?
True
Sexual reproduction contributes to genetic diversity in offspring more than asexual reproduction?
true
What contributes to genetic variability within a population?
natural selection nonrandom mating size of population genetic drift gene flow
