You are a graduate student in Gregor Mendel’s lab researching the inheritance pa

Question

You are a graduate student in Gregor Mendel’s lab researching the inheritance pattern of pea pod shape. You have obtained two sets of true-breeding plants – one that has full pods and one that has constricted pods, with the full pod phenotype being dominant. As you acquire data, you notice two additional phenotypes - plants with white or red flower petals and plants with thin or thick stems. Describe the relative percentages of recombinant phenotypes resulting from a testcross to determine gene linkage. The parents' phenotypes are RrPpTt x rrpptt

Explanation / Answer

Answer:

RrPpTt x rrpptt

RrPpTt genotype produces 8 type of gamtes, RPT, RPt, RpT, Rpt, rPT, rPt, rpT, rpt in equal proportion of 12.5%.

rpt RPT (12.5%) RrPpTt (12.5%) RPt (12.5%) RrPptt (12.5%) RpT (12.5%) RrppTt (12.5%) Rpt (12.5%) Rrpptt (12.5%) rPT (12.5%) rrPpTt (12.5%) rPt (12.5%) rrPptt (12.5%) rpT (12.5%) rrppTt (12.5%) rpt (12.5%) rrpptt (12.5%)

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