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April 1, 2015

Homework Help: Genetics/biology Advice

Posted by Freddo on Thursday, March 22, 2007 at 9:03am.

Can anyone comment as to wether this solution is correct for this question please !!

Draw a mating diagram where L is the dominant gene for the digestion of lactose and shows the crosses between two heterozygotes and wiht the the phenotypic and genotypic ratio of the offspring in the F1 generation.

I also need to know the phenotypic prportions of the offspring of another cross between a person with lactose intolerance and one who is heterozyous.

Heterozygote (both male and female) Lactose tolerant
Male L l gametes

Female

L l gametes

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