Genetic-Becoming Human

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Category: Science and Technology

Date Submitted: 11/23/2012 11:18 AM

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I would like you to answer the following questions and upload them to this item by clicking on 'Open' below. 


1. How tall is Homo erectus compared to Austrailopitecus spp. (starting at 5:25)

The huge evolution from 3ft8 (ape body) to Homo erectus body which was 6ft. Indeed, Homo was about 1 ½ ft taller than Aus. Spp.


2. How old are the Turkana Boy fossils? (Not the age of the boy, your answer will be in millions of years.)

1 ½ million years


3. Speaking of the age of the boy, how can teeth are used to calculate the age of the boy?

The growth of the teeth was determined on the enamel. By looking at it under the microscope, the scientist was able to see the pattern of how it formed. He counted how many beads was formed throughout the tissue and came up with the final conclusion.


4. What is the age of the boy and how does this compare to chimps and modern humans?

He was 8 years old. Accorded to the gathered information, the boy was more relative to chimps because they had really short childhood. Also, they were sexually mature at the early age (7-8) while human childhood was more extend and human don’t hit the puberty until 12.

5. What is the value of stone tools to early Homo?

They used them for almost everything. It opened up all sources of food and it was a tremendous survival element towards early Homo. Also, making stone tools were a process that explained they were thinking and thinking ahead during the decision making of which stones should be use and when did they know the stones were ready for hunting.


6. Explain how the genetics of lice can be used determine when early human-like creatures became hairless? This involves the concept of the molecular clock that we have discussed before.

Based on the society relationship between Homo and gorilla, scientists were able to figure out when the Homo became hairless. It was the fact based on the sequence of DNA. By counting the differences between two species, they were able to...