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What is a genetically linked disease?
A genetically linked disease is a condition that has a known genetic basis, meaning that it is caused by mutations in specific genes or variations in the DNA sequence. These mutations can be inherited from one or both parents and can increase the risk of developing the disease. Examples include cystic fibrosis, Huntington's disease, and sickle cell anemia.
Why do prokaryotes and eukaryotes differ in there reliance on mutations for generating genetic variations?
Prokaryotes rely more on mutations for generating genetic variations because they reproduce asexually, so mutations are a primary source of genetic diversity. Eukaryotes reproduce sexually, which introduces genetic variations through meiosis and recombination, reducing the reliance on mutations for generating diversity.
How do mutations increase variations?
Mutations are changes in the DNA sequence that can lead to differences in traits. These variations can result in new genetic combinations, increasing diversity within a population. Over time, these mutations can be passed on to future generations, contributing to the overall biodiversity of a species.
What is the relationship between genetic variations and mutations?
Mutations are random changes in DNA; genetic recombinations are new arrangements of genetic material (as a result of sexual reproduction). Together, they are the "fuel" that powers the "evolution machine," the direction of which is determined by natural selection.
What did Darwin call individuals that express mutations?
Darwin referred to individuals that expressed mutations as variations or variants in his theory of evolution.
What causes variations in numbats?
Mutations in a numbat's DNA.
What effect can mutations on a virus?
They create genetic variations.
Can mutations increase the variations in a species' traits?
Yes
What is a genetically linked disease?
A genetically linked disease is a condition that has a known genetic basis, meaning that it is caused by mutations in specific genes or variations in the DNA sequence. These mutations can be inherited from one or both parents and can increase the risk of developing the disease. Examples include cystic fibrosis, Huntington's disease, and sickle cell anemia.
Why do prokaryotes and eukaryotes differ in there reliance on mutations for generating genetic variations?
Prokaryotes rely more on mutations for generating genetic variations because they reproduce asexually, so mutations are a primary source of genetic diversity. Eukaryotes reproduce sexually, which introduces genetic variations through meiosis and recombination, reducing the reliance on mutations for generating diversity.
How do mutations increase variations?
Mutations are changes in the DNA sequence that can lead to differences in traits. These variations can result in new genetic combinations, increasing diversity within a population. Over time, these mutations can be passed on to future generations, contributing to the overall biodiversity of a species.
What is the relationship between genetic variations and mutations?
Mutations are random changes in DNA; genetic recombinations are new arrangements of genetic material (as a result of sexual reproduction). Together, they are the "fuel" that powers the "evolution machine," the direction of which is determined by natural selection.
What did Darwin call individuals that express mutations?
Darwin referred to individuals that expressed mutations as variations or variants in his theory of evolution.
Do mutations create genetic diversity in populations?
Yes, mutations can create genetic diversity in populations by introducing new variations in the DNA sequence.
What is the result of variations in copying of DNA?
Variations in copying of DNA can lead to mutations, which are changes in the DNA sequence. These mutations can result in genetic diversity, evolution, and potentially lead to genetic disorders or diseases.
How do mutations affect variations within organisms?
Mutations can introduce new genetic variations within a population by changing the DNA sequence. These variations can lead to differences in physical traits, behaviors, or disease susceptibility. Over time, if these variations provide a benefit in a specific environment, they may become more prevalent in the population through natural selection.
Where do variations in traits within a species originate from?
Variations in traits within a species originate from genetic mutations, environmental factors, and natural selection.
