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Saturday, January 19, 2008

Enrichment post #8- Punnett Squares

Try these punnett square links and let ne know how they worked!

A punnett square calculator!

Here are some Punnett Square practice problems that will be tough...but worth trying. Don't peek at the answers until you give them a try! :-)

Practice problems

Good luck...Mr. Forde :-)

7 comments:

Anonymous said...

hii mr. forde!!!
just here 2 say hii and that i miss scofield very much!!!
i'm learning cells in ripp
meiosis,mitosis,diffusion,osmosis, the passive and active transports and more!!!
tell all teachers that i said hii and that i miss them all very much!!!
the mitosis song was cool!!!

Anonymous said...

hi mr.forde,
i jst had a question about the science Oompahs sheet. on number 7 how do you know if the red or blue hair is dominant?
Catherine C.

Jim Forde said...

HI There!

That is a god question. (as usual)

This is an an example where there is a blending of traits. Instead of Red being dominant when it mixes with Blue in the genotype Rb (or RB) you get purple! This is an example of incomplete dominance. In this case there really isn't one allele that is dominant.

One note, if this were co-dominance you would see red and blue spots! :-)

Have a good night!

Mr. Forde :-)

Anonymous said...

hey mr.forde,
thank you so much for explaining it. I think I get it now. See you tomorrow!
Catherine C.

Anonymous said...

Hi Mr. Forde,
I was going to talk to you at school today, but you weren't there, so I will ask you it now. I am going to be absent tomorrow(Fri.) to go to yale Hospital for a inpatient study. I was wondering if there is any homework or work that I would miss that you could possibly give to Maybe Lindsay Green or Janay Parott. Thanks.
Catheirne C.

Jim Forde said...

Hi Catherine!

I'll be sure to slip something to Lindsay for you.

Take care and have a great weekend!

Mr. F :-)

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