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Are some mutations advantageous and in some environments but deleterious in others?
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Can mutations be beneficial?
They can certainly be either. When researching it closely scientists have found a lot of mutations which don't seem to have any influence. "Bad" mutations tends not to be functional, and often disappear pretty much by themselves one way or another.
What are some benefits of mutations to DNA?
Mutations allow new versions of DNA combinations to occur. These can be harmful, benign or beneficial. If they are harmful, they tend to be self eliminating, unless they only show up after breeding age. If they are benign, they may not influence the species. If they are beneficial, they create improved varieties of the organisms, resulting in greater diversity and therfore greater adaptability in the species.
Why are most mutations harmful?
Changes to DNA (mutation) are not necessarily harmful. Species are essentially a conglomeration of mutations which result a vast array of beneficial characteristics. Detrimental mutations generally result in death during early pregnancy, others may predispose an individual to death by cancer or disease at an early age and still others have a dramatic effect on the life of the affected individuals. Breeds of domestic animals are great examples of how many mutations there are within a species that are not specifically harmful. (There are over 500 breeds of dog for example.)
Does cancer result from genetic mutations-?
Mutating Cells can be a source of Cancer, but not necessarily. All mutating cells do not cause Cancer.
Are the planets related to geography?
No. Geography is the study of Earth, covering landscapes and environments among others. Astronomy is the study of planets.
Can mutations be beneficial?
They can certainly be either. When researching it closely scientists have found a lot of mutations which don't seem to have any influence. "Bad" mutations tends not to be functional, and often disappear pretty much by themselves one way or another.
Why was having a larger brain advantageous for early hominids?
Having a larger brain was advantageous for early hominids because it enabled them to develop complex problem-solving skills, social interactions, tool use, and language abilities. This allowed them to adapt to changing environments, communicate effectively, and cooperate with others in hunting and gathering activities.
Many are caused by factors in the environment such as radiation or chemicals but others happen by chance?
Mutations
How does mutation and natural selection operate together in the process of evolution?
Under natural selection, not all genes are successful, but those which are will progress to the next stage of selection. Mutations introduce new genetic information to an organism's genetic code, providing more genotypes to create more phenotypes, which can be acted on and potentially more suitable ones to be selected.
What do you call the study of plants' environments?
The study of plants' environments is known as botany. This is a broad study that looks at various plants, environment and climate among others.
Why is it advantageous for the human body to have many different enzymes?
Each enzymes had a specific job. Meaning one kind could not do what others can. Meaning having many enzymes would be advantageous (or neccessry) for our body to do many kinds of chemical reactions.
What is the function of mutated gene?
to enable mutation in adapting the host to its changing environments, and so keep up with natuaral selection. A mutation of a gene is a gene that is expressed differently from the majority of the species. Some mutations are harmful; ie: cancer, and some are helpful whilst others are niether harmful nor beneficial (ie: the gene for ginger hair).
What are some benefits of mutations to DNA?
Mutations allow new versions of DNA combinations to occur. These can be harmful, benign or beneficial. If they are harmful, they tend to be self eliminating, unless they only show up after breeding age. If they are benign, they may not influence the species. If they are beneficial, they create improved varieties of the organisms, resulting in greater diversity and therfore greater adaptability in the species.
What happens to animals whose mutations do not help them survive in a given environment?
They often do not thrive and die earlier than others
Why are most mutations harmful?
Changes to DNA (mutation) are not necessarily harmful. Species are essentially a conglomeration of mutations which result a vast array of beneficial characteristics. Detrimental mutations generally result in death during early pregnancy, others may predispose an individual to death by cancer or disease at an early age and still others have a dramatic effect on the life of the affected individuals. Breeds of domestic animals are great examples of how many mutations there are within a species that are not specifically harmful. (There are over 500 breeds of dog for example.)
Does cancer result from genetic mutations-?
Mutating Cells can be a source of Cancer, but not necessarily. All mutating cells do not cause Cancer.
Why are there many molecular clocks in a genome instead of just one?
This occurs because some genes accumulate mutations faster than others.
