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Title: Two pure-breeding strains of summer squash producing yellow fruit, Y1 and Y2, are each crossed to a ... Post by: gooddaysir on Nov 5, 2014 Two pure-breeding strains of summer squash producing yellow fruit, Y1 and Y2, are each crossed to a pure-breeding strain of summer squash producing green fruit, G1, and to one another.
I know the genotype of Y1 is AABB and the genotype of Y2 is aabb. I'm having a problem with these questions (but really, if I get the genotype of G1 I can figure everything else out) 1. What is the genotype of G1? 2. Give the genotypes of F1 from Cross 1 3. Give the genotype(s) of F2 from cross I. 4. Give the genotype(s) of F1 from cross II. 5. Give the genotype(s) of F2 from cross II. If the F1 of crosses I and II are mated, predict the phenotype ratio of the progeny. (yellow:green) Title: Two pure-breeding strains of summer squash producing yellow fruit, Y1 and Y2, are each crossed to a ... Post by: duddy on Nov 5, 2014 Before I begin, could you clarify was AABB crossed with aabb?
Title: Two pure-breeding strains of summer squash producing yellow fruit, Y1 and Y2, are each crossed to a ... Post by: gooddaysir on Nov 5, 2014 Well, that's part of the problem, but that's the part of the problem that I've figured out. What I'm having trouble with is Cross 1 and Cross 2, which is the cross of Y1 with G1 and Y2 with G1, respectively. The genotype of Y1 is AABB and the genotype of Y2 is aabb, but they're crossed in Cross 3 (which I understand). I need to find the genotype of G1 based on the information given and I don't know how to do that.
I really appreciate your help. Thank you. |