Biology
Grade-10
Easy
Question
The alterations that occur in DNA sequences are called ___________.
Inheritance
Mutations
Epistasis
Codominance
Inheritance
Mutations
Epistasis
Codominance
Hint:
Mutations
The correct answer is: Mutations
A mutation is a change in the DNA sequence of an organism. Mutations can result from errors in DNA replication during cell division, exposure to mutagens or a viral infection.
A gene variant is a permanent change in the DNA sequence that makes up a gene. This type of genetic change used to be known as a gene mutation, but because changes in DNA do not always cause disease, it is thought that gene variant is a more accurate term.
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