Which of the Following Statements About the Relationship Between Australopithecus

question 22

Multiple Choice

Which of the following statements about the relationship between Australopithecus sediba and the human line (Homo) is accurate?

• A) Au. sediba is the direct evolutionary link to between modern humans and australopiths.
• B) Au. sediba allowed scientists to confirm that australopiths had a different anatomical makeup than humans.
• C) Au. sediba dates to well after the human line diverged from the australopith line.
• D) Au. sediba is the earliest known fossil member of the genus Homo.
• E) Au. sediba did not have many human-like features but walked bipedally.

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Definitions:

Exons

Regions of a gene that code for proteins and are expressed in the RNA.

Transposons

DNA sequences that can change their position within a genome, sometimes causing or reversing mutations and altering the cell's genetic identity.

Transcription

The process by which the genetic information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA).

mRNA

Messenger RNA, a type of RNA that is transcribed from DNA and carries instructions for synthesizing proteins to the ribosomes.