Question

Which pair of characters are found without exception in all mammals [RPMT 2001]
A) Hair and viviparity
B) Viviparity and mammary glands
C) Viviparity and internal fertilization
D) Mammary glands and internal fertilization

Answer 1

viviparity and internal fertilization are the characters that are are found without exception in all mammals

Answer 2

hiii,

The answer is option C

hope helps