DAT bio question (cliffs)

[galaxyandstars]

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I'm studying cliff's ap biology for the bio section. It's very detailed, and in the genetics section, in particular - the page below which i've screenshotted, is confusing. I guess I get it, but do we have to know the specific percentages of linked (crossing over) vs linked and no crossing over?

 

[LaurHei]

Haha I had nothing like this on my exam. Of course it's all random but I would think if you understand the concepts of where genes lie, and which are likely to be linked vs unlinked you'll be able to answer any question they ask. Unless of course they ask for the percentage, then you're screwed. I think there are a lot more important topics to study and spend your time on.. Just my opinion .

 

[swindoll]

I doubt they'd expect you to know this.