Appearance of ancestral characters in the new borne, such as tail, multiple mammae, etc., are known as
A
Homologous
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Analogous
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Atavism
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
Vestigial
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is C Atavism
In biology, an atavism is a modification of a biological structure whereby an ancestral trait reappears after having been lost through the evolutionary change in previous generations. For example, the Appearance of ancestral characters in the new borne, such as the tail, multiple mammae, etc in humans, Extra toes of the modern horse, Reappearance of prothoracic wings in insects, etc.
Hence Appearance of ancestral characters in the new borne, such as the tail, multiple mammae, etc., are known as an atavism.