Suppose that a gene originally identified in nematodes (roundworm...

Question

Suppose that a gene originally identified in nematodes (roundworms) is found to be homologous with a gene that can cause developmental abnormalities in humans. Would it be possible to use fruit flies as a model organism to study this gene? Explain.

Accepted Answer

Hello everyone and welcome to today's video. So why is joseph ella used as a model organism for many human genetic disorders And knowing that Drosophila is a fly that is very different to humans. Why do we use it so well, the answer to this is that 600 million years ago we shared a common ancestry. And because of these, many of the genes in Drosophila and humans are homologous meaning that they come from that shared a common ancestor. Now we know this. Let's jump into our answer choices so that we can begin solving the problem beginning by answer choice. A They had a common ancestor many years ago. That's what we see here. So this is a correct answer choice and we will not cancel this out. Then we have b The genome of Drosophila is 60% homologous to that of humans now because we share a common ancestor that is not too long ago. We have certain homologous genes. We share many homologous genes, which is what we see here Because of this. This is actually a correct statement as well. And it can be used to support this third statement. Most of the genes responsible for human diseases have hama logs in Drosophila, since which are 60% of our genes or 60% of our genes are homologous to Drosophila. Some of these genes are going to include genes that cause human diseases and so yes, this is actually a fact that some of these diseases will also be home a log in Drosophila. So there will be present there as well present in both organisms. so we can actually use Drosophila because of these to study certain human genetic disorders. So all of these statements are correct, and we're going to highlight answer choice D all of the above, as the final answer to a question. That is the end of the video, and I really hope this helped you.

Suppose that a gene originally identified in nematodes (roundworms) is found to be homologous with a gene that can cause developmental abnormalities in humans. Would it be possible to use fruit flies as a model organism to study this gene? Explain.

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