te view.usg.edu/d21Ae/content/162952B/viewContent/27062266/Wiew?ou 1629528 this

Question

te view.usg.edu/d21Ae/content/162952B/viewContent/27062266/Wiew?ou 1629528 this Assume that in certain plants yellow fruit(YYor Yy) is dominant over green fruit (vy) and disk-shaped (DD) or (Dd) is dominant over sphere-shaped (dd). . o Cross: YyDd x yyDd o Use a Punnett square to show mating from the cross above and indicate the expected phenotypic ratios. o What fraction of offspring from the cross below are predicted to exhibit the recessive phenotype for at least one of the characteristics?- show your work o Due date: Monday, July 2, 2018, 11:00 am. 67 204 Paarson Edutalion inc 40

Explanation / Answer

Ans.

expected phenotypic ratio = 3(yeliow disc) : 3 (Green disc) : 1(yellow sphere): 1(green sphere)

fraction showing recessive phenotype for at least one characteristic = 5/8

YD Yd yD yd yD YyDD (yeliow disc) YyDd (yeliow disc) yyDD (Green disc) yyDd (Green disc) yd YyDd  (yeliow disc) Yydd (yellow sphere) yyDd (green disc) yydd (green sphere)

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