ITA100Y1 Lecture 9: Interrogatives & Demonstratives

Answer For Fullpoints!!!

1) Are distances relative or absolute?

2) What can affect distances in recombination maps (why are theyless accurate than distance maps?) How dowe correct for unseen multiple crossovers?

3) What are common phenotypic ratios expected from test crosses(figure 4-14)

4) How do you map a distance from a gene to the centromere infungus?

5) What test do you use to determine if two genes arelinked?

6) When using a chi-square test, can you ever prove thatsomething is true?

Look at the photo and tell me the 5 W's of who, what, where, when, and why. Come up with your own explanation of what is happening in the picture. Tell me who you see in it, tell me what they are doing or what is happening. tell me where this is happening. toll me when you think this is happening, and then finally tell me why you think this is happening. This will be given a completion mark of 1, all parts must be completed. Answers should be in complete sentences.

1) Collagen is a critical part of bone development. Where does the collagen come from? Why is collagen required for properly formed bones?

There is a condition called osteogenesis imperfect (OI).What are the symptoms of OI?What is the molecular reason for OI?Speculate on how OI can occur.

2) Using what you know about bone development and maintenance describe how the following conditions might come about. Also, propose a way to combat the disease.

Osteopetrosis

Osteomalacia

3) Why is adolescence an time of accelerated growth but also the end of growth as well?