Answer: When mutation occur in the sex cell/germ cell it is known as Germinal mutation but if mutation occur in cell other than sex cell it will be called as Somatic mutation.
Explanation:
Germlines mutation: As this type of mutation occurs in germ cells (sperm and egg), this mutation can pass on to offspring when either muted sperm or gametes fertilize to form zygote. Example of germline mutation is inherited diseases like Down syndrome.
Somatic mutation: Somatic mutation can occur in any cell like muscle cell, gut, immune system but not in the germ cells and therefore cannot pass to the offspring. Examples of somatic mutation are Cancer and tumor
Theory of macroeconomics which dominated the Reagan administration was supply-side economics. The answer to your question is D. I hope this is the answer that you are looking for and it comes to your help.
Answer:the possession of feathers
Explanation:birds are warm blooded animals , that possess feathers.these feathers cover their bodies and used for flight and warmth.their forelimbs are modified into wings,which fold into a Z shape at rest.feathers grow from the skin follicles and are replaced by scales on their legs.they possess oil gland to dress the feathers.
Other features of birds include
1) beaks with no teeth
2) fully ossified bones with air cavities
3)females with left ovary and oviducts only
