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Successful mutations will persist. Mutations usually occur during replication. Some mutations will flourish depending on environmental factors.

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Lesly Jaskolski

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2y ago

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What causes the allele frequencies to changes?

1. Mutation 2. Migration (Gene Flow): both immigration and emigration. 3. Genetic Drift 4. Sexual Selection (Non-random mating) 5. Natural Selection: those most fit survive to pass on their genes to the next generation.


Which best describes how scientists found the human gene that makes insulin?

They figured out the DNA sequence from the amino acid sequence


What are types of point mutation?

The types of point mutations are: base-pair substitution, insertions, deletions, and frameshift mutations. In base-pair substitution, one nucleotide and its corresponding partner are replaced with another pair of nucleotide. In insertion, nucleotide pairs are added to a gene. In deletion, nucleotide pairs are taken out of a gene. Frameshift mutation happens as a result of insertion or deletion when more or less than three (or a multiple of three) nucleotide pairs are added to or taken from a gene.


What is recombinant sequence?

A recombinant sequence of DNA is a sequence of DNA that comes from more than one source. Examples of recombinant DNA are plasmids that are put into bacteria. The plasmid comes from the bacteria (or a bacteria at least) but a target gene has been added (say the lac operon gene that allows bacteria to thrive on lactose), this plasmid is now a recombinant DNA sequence.


Which best describes the relationship between genes and proteins?

Basically, one gene gives the instructions for making one protein. I'm not sure how much detail you want, here, but a gene is a segment of DNA and the sequence of bases in the DNA determine the sequence of amino acids that make up the protein.

Related Questions

Changes in DNA sequence of a single gene are called?

Changes in a DNA sequence of a single gene is called a point mutation. These mutations can be harmful or not to the organism.


What is the difference between epigenetics and mutations in terms of their impact on gene expression and inheritance?

Epigenetics refers to changes in gene expression that do not involve changes to the underlying DNA sequence, while mutations are changes in the DNA sequence itself. Epigenetic changes can be reversible and can affect how genes are turned on or off, influencing gene expression and inheritance without altering the DNA sequence. Mutations, on the other hand, are permanent changes to the DNA sequence that can lead to altered gene function and inheritance patterns.


Gene mutations can best be described as changes in the?

Gene mutations can best be described as changes in the DNA sequence of a gene. These changes can result in altered proteins being produced, impacting an individual's traits or causing genetic disorders. Mutations can occur spontaneously or be induced by external factors such as radiation or chemicals.


What are three main types of gene mutations what happens in each gene?

The three main types of gene mutations are point mutations, insertion mutations, and deletion mutations. Point mutations involve changes to a single nucleotide base. Insertion mutations involve the addition of extra nucleotide bases. Deletion mutations involve the removal of nucleotide bases in a gene sequence.


What are known as gene mutations and occur at a single point in the DNA sequence?

Gene mutations that occur at a single point in the DNA sequence are called point mutations. These mutations can involve substitutions of one nucleotide for another (missense mutation), insertion of an extra nucleotide (insertion mutation), or deletion of a nucleotide (deletion mutation). Point mutations can have various effects on the resulting protein, ranging from no impact to severe functional changes.


Describe how gene mutations affect protein production.?

gene mutations can affect protein production through various mutations as nonsense mutations are any genetic mutation that leads to the RNA sequence becoming a stop codon. missense mutations are mutations that changes an amino acid from one to another. Slient mutations are mutations  that dont affect the protein at all.


What can changes in a gene do to a cell?

mutations


What is the relationship between gene regulation and mutations?

Gene regulation and mutations are closely interconnected in the context of gene expression and function. Gene regulation involves mechanisms that control the timing and level of gene expression, ensuring that genes are activated or silenced as needed. Mutations, which are changes in the DNA sequence, can impact regulatory elements or coding regions, potentially leading to altered gene expression. This interplay can result in various outcomes, including genetic disorders, evolutionary adaptations, or changes in phenotypic traits.


Name two major types of mutations What do they have in common How are they different Give an example of each?

Gene and chromosomal; both change DNA sequence that affects genetic information. Gene mutations involve a change in one ore several nucleotides in a single gene, whereas chromosomal mutations involve changes in the number or structure of whole chromosomes


What chemical found in a gene is changed by mutation?

The chemical found in a gene that is changed by mutation is the sequence of nucleotides comprising the genetic code. Mutations can alter this sequence by substituting, inserting, or deleting nucleotides, which can lead to changes in the resulting protein or RNA molecule.


What are point mutations?

Point mutations are a knock out of a single A.A. pair that shifts the whole code causing cancer or miss development of all the proteins behind it. Point mutations can be seen in K-Ras gene and the innactivation of the P53 to not stop the genetic mutation to arrect the cell cycle. The p53 is a tumor repressing gene.


What decide a characteristic in a gene?

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