and B? (hint: assume no interference) 10.Imagine Mendel had been extremely unlucky and chosen three linked genes to study. Suppose that he was able to create trihybrid plants (which were phenotypically wild-type) by crossing two completely homozygous plants. Next, suppose he testcrossed a trihybrid (to a plant homozygous recessive for the three characters: purple stems, square seeds, and paisley leaves). Among 1000 progeny, the following types were observed: 262 square 278 purple, paisley 123 wild-type 137 purple, square, paisley 89 square, paisley 71 purple 23 paisley 17 purple square A) What were the phenotypes of the two homozygous plants (P generation) used to create the trihybrid? B) What is the order of these three genes? C) What are the two map distances? D) Determine the coefficient of coincidence for these genes. 11. Consider the following pedigree.
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and B- (hint- assume no interference) 10-Imagine Mendel had been extre.docx
1. and B? (hint: assume no interference) 10.Imagine Mendel had been extremely unlucky and
chosen three linked genes to study. Suppose that he was able to create trihybrid plants (which
were phenotypically wild-type) by crossing two completely homozygous plants. Next, suppose
he testcrossed a trihybrid (to a plant homozygous recessive for the three characters: purple stems,
square seeds, and paisley leaves). Among 1000 progeny, the following types were observed: 262
square 278 purple, paisley 123 wild-type 137 purple, square, paisley 89 square, paisley 71 purple
23 paisley 17 purple square A) What were the phenotypes of the two homozygous plants (P
generation) used to create the trihybrid? B) What is the order of these three genes? C) What are
the two map distances? D) Determine the coefficient of coincidence for these genes. 11.
Consider the following pedigree.
