Biol q

[mepstein]

Don't know why i can't get through this, big ass brain fart.....



"9% of the population are homozygous recessive, what percent of the population is heterozygous?"


thanks,

dudes and dudettes

---

Members don't see this ad.

 

[beannaithe]

Don't know why i can't get through this, big ass brain fart.....



"9% of the population are homozygous recessive, what percent of the population is heterozygous?"


thanks,

dudes and dudettes

okay...this is a simple hardy-weinburg equation. which is p^2 + 2pq + q^2 = 1 (p^2 = homozygous dominant. 2pq = heterozygous. q^2 = homozygous recessive). and p + q = 1

take the square root of 0.09 and get 0.3. then take 1 - 0.3 = 0.7. then plug it the hardy-weinburg equation section for heterozygotes. 2pq.

2(0.3)(0.7) = 0.42

can someone check my math for me?

thanks.

 

[mepstein]

so barrons' was wrong, they really do have a lot of problems in there
42 isnt even an option, i didnt think i was that dumb


thanks

 

[beannaithe]

so barrons' was wrong, they really do have a lot of problems in there
42 isnt even an option, i didnt think i was that dumb


thanks

yeah...barron's has a TON of mistakes. i had to go through the gen chem section and check it all by hand with a couple of chem majors. it turned out that there were like 7 wrong answers.

it's knid of scary that the book has so many mistakes!

 

[Tooth Fixer]

yeah...barron's has a TON of mistakes. i had to go through the gen chem section and check it all by hand with a couple of chem majors. it turned out that there were like 7 wrong answers.

it's knid of scary that the book has so many mistakes!

since youve used the book, could you please list the numbers of the problems that are wrong in the barrons book. I would really appreciate it and i'm sure it would help everyone else too. Thanks

 

[beannaithe]

since youve used the book, could you please list the numbers of the problems that are wrong in the barrons book. I would really appreciate it and i'm sure it would help everyone else too. Thanks

sure, i'll list it in a seperate thread