What is the difference between somatic and germline mutations. Does it matter if either type of...
What is the difference between somatic and germline mutations. Does it matter if
either type of mutation is on autosome or sex chromosome (allosome)?
Homework Answers
There are two types of chromosomes in human body, sex chromosomes and autosomes. Sex chromosomes are those which determine the sex of an individual whereas autosomes are those which are related with normal functioning of the human body.
The two types of cells found in human body are somatic cells and germline cells. Somatic cells maintain normal growth of the body whereas germline cells give rise to gametes by undergoing meiosis.
Mutations are changes in DNA which may or may not affect the phenotype of the organism carrying it. If the mutation is occurring in somatic cell, then it is called as automatic mutation and if it occurs in germline cells, then it is called as germline mutation.
If the mutation is somatic cell or autosome then it will affect only the phenotype of the organism carrying it. It will not be passed on to next generation. But if it is occurring on sex chromosome or germline cells, then it will be passed on to next generation and will affect the phenotype of the progeny.
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