February 25, 2017

Homework Help: biology

Posted by ruby on Tuesday, March 13, 2007 at 12:17pm.

Help needed to 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.
any help would be very much appreciated.

thank you, this helps a lot.

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