Class Notes (809,390)
Canada (493,689)
Anthropology (1,561)
ANTA01H3 (413)
Lecture 3

ANTA01 Lecture 3.docx

5 Pages
Unlock Document

University of Toronto Scarborough
Mary Silcox

thSeptember 26 2011 y DNA review DNA mRNA ATCGA UAGCU CCGAT GGCUA GATCC CUAGG o A with T o C with G y During transcription mRNA forms and takes a sequence of the DNA Only certain proteins can bond mRNA has no Thymine only uracil y Understand what sequencing DNA means Our sequence determines what the sequence in the mRNA and what then what the protein sequence is Code that builds life Transfer RNA comes then goes to the ribosome and builds the proteins y What can we learn from our closest living ancestors y Primates have grasping extremities humans have opposable big thumbs We can grasp things o Nails instead of claws y None grasping primate squirrel foot no opposable toes no claws y Collared lemurs have thumbs hands look almost human Flat nails not claws y Primates have relatively large brains on average as compared to our body size We are on the brainy side y We have better looking faces at the expense of a big nose o We have stereoscopic vision o Primates tend to have smaller noses some are larger like baboons but really is their teeth Primate eyes are also quite close together to their faces Front of the face versus on other sides Has to do with how we gauge distance o Horses use parallax the way things look different between two eyes However when we get closer to a horse it can no longer see with both eyes o This is different than humans who have stereoscopic vision as we have overlapping visual fields Probably had to do with seeing things in three dimensions over short distance scales with respect to the eyes not long distances as parallax would be a much better tool o Primates have postorbital bar orbits that are close together with a bar at the back All living primates have a postorbital bar y Primates eat a lot more fruit Spread seeds around This is important to ecosystems as they can distribute those seedsy Are arboreal living in the trees so they are mostly equatorial as in they live near the equator See map on slides Spread around the equator This is problematic as a lot of tropical deforestation happens around that area y Extended life history traits o Long gestation period spend a long time in the womb o Are dependent on moms for a long time Primate babies not just human trait
More Less

Related notes for ANTA01H3

Log In


Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.