Answer:
Nonsense mutation: it causes a premature stop codon, so the protein cannot be fully synthesized.
Missense mutation: it causes change on the aminoacid encoded, so it can cause a change in the protein structure if the new aminoacid doesn't have the same chemichal properties as the original.
Synonymous (silent) mutation: it causes no change, the same aminoacid is encoded.
Single nucleotide insertion or deletion: changes the entire structure of the protein because it shifts the reading frame.
Three nucleotide deletion: one aminoacid will no longer be part of the protein, if this aminoacid was located, for example, on the active site of an enzyme, the protein could lose its function.
Chromosomal translocation: it can break a gene in two, causing the protein to no longer be able to be synthesized, or it can change the transcription regulation because it is now under the effect of other regulating sites that result in a different transcription pattern.
Widened margins does not occur at the continental margin
Crossing over is the main event in meiosis and heredity as it leads to genetic variation.
<h3>What is genetic variation?</h3>
Genetic variation is the changes that take place in the genes of individuals that can lead to the formation of new characters.
it generally occurs in meiosis specifically during crossing over.
Thus, it can be concluded that crossing over between non-sister chromatids during meiosis is significant in heredity as it leads to genetic variation.
For more details regarding crossing over, visit:
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