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It is called a point mutation. Depending on where the bases are, as far as in the codon, some are not harmful.

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Q: When one pair of bases is replaced in a gene it is called?
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Related questions

What is each gene of a gene pair called?

The answer is an allele.


What is a gene pair called?

A gene has two sets of DNA.


Can single gene on a chromosome contain only one pair of nitrogen bases?

No because a single gene is made up of many bases in a row in a chromosome that may contain anywhere from several hundred to a million or more nitrogen bases.


What are pairs called?

A gene pair is called an allele. An allele is an alternative form of a gene that is located on a specific chromosome at a specific place.


What is a gene pair that consists of a dominate allel and a recessive allel?

That is called heterozygous or it is called a hybrid.


When a particular inherited characteristic is controlled more by one gene of a pair than by the other the stronger gene is called?

dominant


Each gene of a gene pair is an?

allele


What are different versions of the same gene called?

The chromosomes in a pair carry the same genes in the same places. There are different versions of the same gene. These different versions of the same gene are called alleles.


What is the gene mask other genes in a gene pair?

the liver gene


What do you call one gene of a pair for a SPECIFIC trait is called?

Having two different alleles is said to be....?-Heterozygous


Each gene of a gene pair is a?

Nitrogen base


What is each gene of a gene pair call?

The answer is an allele.