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How did Frederick Griffith demonstrate that DNA not protein could cause changes in a cell's genotype?
Wiki User
∙ 14y ago
By injecting mice with pneumococcus bacteria that had first been heated, Griffith proved genetic material was environmentally heritable. Please see link below for detailed treatment.
Wiki User
∙ 14y ago
Wiki User
∙ 13y agoBy injecting mice with pneumococcus bacteria that had first been heated.
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What did Griffith discover as a result of his experiments?
Frederick Griffith was a British bacteriologist. In January 1928, he reported what is now known as Griffith's Experiment, the first widely accepted demonstrations of bacterial transformation, whereby a bacterium distinctly changes its form and function.
Which one directly influences the phenotype?
Yes and the successful phenotype was made by a successful genotype which actually changes allele frequency in evolution.
What is anything in the environment that causes a reaction or change in an organism?
Certain chemicals and radiation in the environment can cause a reaction or mutation in an organism. Such changes may alter organisms genotype or phenotype. Chemicals that induce changes in organisms DNA is called mutagens.
Can the genotype for a gray bodied fly be determined?
Well, in order for us to get a accurate genotype, we would need to know the parents. What are their traits?
How can a genotype change a phenotype?
no not always due to some phenotypes having more than one gene sequence that affects it, eg; the base sequence for a certain enzyme's synthesis could be TTT but by substituting a T with a C to make TTC in mutation could still be a code for the same enzyme...
What does Bacteria and viruses change the genotype of an organism through?
Bacteria and viruses change the genotype of an organism through mutation. Mutations are heritable changes in DNA and RNA that changes the genes..
What do mutations cause in genotype and phenotype?
They cause changes or more technically alterations.
How can environment and genotype?
The genotype of a particular trait may be changed by the environment that the organism lives in. The organism has to adapt, and therefore, the characteristic changes slightly, passing this change on to the next generation.
Did Napoleon and Frederick become trusted friends on animal farm?
Yes, but the animals are uncomfortable about this fact because Mr. Frederick (who represents Germany) is a human. At first, Napoleon is against Frederick and changes the slogan from "Death to Humanity" to "Death to Frederick". He later changes it to "Death to Pilkington" without warning.
Financial information does not demonstrate consistency when?
A company changes accounting principle.
How can environment and genotype can interact?
The genotype of a particular trait may be changed by the environment that the organism lives in. The organism has to adapt, and therefore, the characteristic changes slightly, passing this change on to the next generation.
Why is a persons phenotype harder to predict than a persons genotype?
Because peoples appearances changes as their body changes.
Low of chemical changes in term of Dalton's atomic theory?
gwapo c FREDERICK ^^
Can the genotype in a population change with the allele frequency changing?
Yes, the ratios of genotypes for a specific trait can change if allele frequency changes.
Why can't acquired traits be passed down?
As they are environmental changes, like a sun tan or scars.
What can happen to a population of organism with limited variation in the genotype if environmental condition changes?
It will die off if the environmental condition changes drastically. This is because if the gene pool is large, i.e. lots of variation in the genotype, natural selection causes some to die off but others can still survive if they have characteristics adapted to the new conditions. But if the genotype is limited, they sadly don't have "other forms" of genes, so if the new condition is bad for them, the population is equally affected and they die.
Does the moon demonstrate any predictable patterns?
yes,because as the earth is spinning on its axis it changes its seasons.
