Until May 2019, Denisovan fossils had been found in only two locations: Siberia and Tibet - VCE - SSCE Biology - Question 26 - 2021 - Paper 1
Question 26
Until May 2019, Denisovan fossils had been found in only two locations: Siberia and Tibet. Since then, Denisovan DNA has been discovered in some present-day populati... show full transcript
Worked Solution & Example Answer:Until May 2019, Denisovan fossils had been found in only two locations: Siberia and Tibet - VCE - SSCE Biology - Question 26 - 2021 - Paper 1
Step 1
A. only fossilised in Siberia and Tibet.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This option is incorrect because the discovery of Denisovan DNA in various present-day populations indicates that they were not limited to just these two locations.
Step 2
B. genetically identical to Homo sapiens.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This option is also incorrect because while Denisovans share some genetic similarities with Homo sapiens, they are a distinct group.
Step 3
C. extinct prior to the presence of Neanderthals.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This option does not reflect the evidence as Denisovans co-existed with Neanderthals and did not become extinct before their presence.
Step 4
D. more widespread than fossil evidence suggests.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This option is correct, as the finding of Denisovan DNA in populations across various continents suggests their presence was more extensive than previously evidenced by fossils.
