Genetic crosses Handout

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Genetic crosses Handout

Takes them through the use of letters for genotypes and then how the 3:1 ratio comes about and also the use of punnet squares.</p>

Lesson Plan Resources

Reviews

SML_Member's picture SML_Member
July 2016
SML_Member's picture SML_Member
January 2016
SML_Member's picture SML_Member
December 2011
Brilliant worksheet, thanks :)
SML_Member's picture SML_Member
November 2011
Excellent worksheet and explanation. Thanks.
SML_Member's picture SML_Member
January 2010
good explanation - really good help sheet for lower ability pupils
SML_Member's picture SML_Member
September 2009
Thanks a lot - usede the newbyte software on pea plants yesterday and this is totally brilliant as a follow up - thanks
SML_Member's picture SML_Member
October 2007
I sat down to type out a worksheet on crosses and thought I'd just check here first - this is exactly what I was about to write!!! You've saved me loads of time. Thanks.
SML_Member's picture SML_Member
February 2007
Many thanks for this beautiful, clear resource. you've saved me a lot of time. Bomb proof with classes down to middle sets at least
SML_Member's picture SML_Member
November 2006
Was just what i was looking for needed some genetic crosses with explanation for my middle set class and these worked well. Helped them get the idea before going onto more complicated crosses