Appearance of ancestral characters in the new borns, such as tail , cervical fistula in man ,gill slits , etc . Are known as

Appearance of ancestral characters in the new borns, such as tail, gill slits, etc. are known as

Appearance of ancestral characters in the new borns, such as tail, gill slits, etc. are known as

Appearance of ancestral characters in the new borns, such as tail, monstral face, gill slits, multiple mammae etc. are known as Or Presence of tail in a child is an example of

Sudden appearance of an ancestral character is called

Presence of tail in new born baby is an example of:

Assertion (A) : A group of animals related by descent and similar in most characters like general appearance , features , size , configuration , etc . , are said to belong to a breed . Reason (R) : Cross between two breeds of a species naturally not possible .

In the evolution of man , several change occurred in the ancestral characters . Which one of the following changes is irrelevant in this context ?