Question

An elongated tailbone occurs rarely in some newborn children, What does the presence of a tailbone indicate?. a)That the tail will grow in length as the child grows. b)That our early ancestors were tailed primates. c)That the child's genome must have undergone mutation.

Answer 1

The correct answer is option b) "That our early ancestors were tailed primates".

Step-by-step explanation:

Rarely, some newborn children developed an elongated coccyx, known as an elongated tailbone or a pseudotail. This is an example of vestigiality, which is the presence of ancient body structures that do not longer serve a purpose. In this case, vestigial tails indicate that our early ancestors were tailed primates. Other examples of human vestigiality include wisdom teeth, appendix, and body hair.

Answer 2

The correct answer to this question is "b)That our early ancestors were tailed primates." An elongated tailbone occurs rarely in some newborn children. The presence of a tailbone indicate is that that our early ancestors were tailed primates.