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How is genetic diversity important to the concept of natural selection?
Without genetic diversity, natural selection cannot occur
In what kinds of situations is genetic drift likely to occur?
Genetic drift may occur when a small group of individuals colonizes a new habitat. These individuals may carry alleles in different relative frequencies than did the larger population from which they came.
What characteristic within populations cause natural selection to occur?
Genetic variation. If there were no variation in the genes/phenotype then natural selection would have nothing to select from.
Although genetic mutations may occur spontaneously in organisms the incidence of such mutations may be increased by?
Radioactive substances in the environment
How does a genetic mutation occur when the mom and dad does not have one?
If something were passed down from parents, that would be inheritance. A mutation is when something goes wrong and causes a change in the genetic structure. Mutations can be caused by radiation or chemicals or mutations can also occur "naturally" when some part of DNA replication or correction goes wrong.
Genetic variation is a necessary condition of which process?
Genetic variation is one of the conditions required for Natural Selection to occur.
Does heredity occur in viruses-?
Yes, heredity occurs in viruses through the transmission of genetic material from one generation to the next. Viruses have a simple genetic makeup, usually in the form of DNA or RNA, which allows them to replicate and pass on their genetic information. This genetic material can mutate over time, leading to changes in the virus's characteristics.
Can damage occur when Slowing down with an automatic transmission in snow conditions by down shifting?
No,it does not do any damage to the engine or the drive-train of the vehicle with an automatic transmission
The transmission of genetic information from parents to offspring is called?
The transmission of genetic information from parent to offspring is called genetics or genetic transmission. Such genetic information includes height, eye and hair color.
Vertical transmission in animals?
Vertical transmission in animals does happen. It means a disease, condition or trait is transmitted from one generation to the next. This might be genetic or by contact, e.g. infection passing through the placenta.
WHAT are 5 conditions needed in order for evolution to not occur?
Lack of genetic variation within a population. Small population size that restricts gene flow. No mutations that introduce new genetic material. Lack of environmental pressures or changes. High levels of genetic drift that prevent natural selection from acting.
Genetic drift tens to occur in populations that?
Genetic drift has a larger effect on smaller populations.
When is genetic drift likely to occur?
Genetic drift is more likely to occur in small populations where chance plays a significant role in determining the frequency of alleles. It can also happen in isolated populations or during population bottlenecks where genetic diversity is reduced.
What problem can occur with selective breeding?
Genetic mutations
Who provides info to individuals and families on genetic diseases or inherited conditions?
Genetic Counselor
How does a geneticits use pedigrees?
Geneticists use pedigrees to analyze patterns of inheritance within families and determine the mode of inheritance of a genetic trait or disorder. By studying the relationships and affected individuals in a pedigree, geneticists can trace the transmission of genetic information across generations and identify potential genetic markers. Pedigrees also help geneticists assess the risk of certain genetic conditions for future offspring.
How many people under 30 have died from heart attack?
Heart attacks are relatively rare in individuals under 30, but can occur due to genetic factors, lifestyle choices, or underlying health conditions. The exact number would depend on various factors, including preexisting health conditions, lifestyle choices, and genetic predisposition of individuals in that age group.
