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The plant Chloroplastia centruniversiae looks like in two forms in the woods individuals consists of all green or all white leaves. The white leaf form lives for only 3-days as it can’t photosynthesize. All C. The centruniversiae seeds germinate, produce leaves in 1 day, and one day later are flowering; therefore white and green leafed individuals can cross and generate F1.

Chlorophyll biosynthesis is dependent on the expression of the C gene. The X gene encodes a transcription factor needed for the activation of the C gene. You cross a true breeding white C. centruniversiae with a true breeding green C. The centruniversiae and all of their F1 are green. You then cross any two of these F1 and find out that of the 320 F2, 180 are green, and 140 are white.

Please describe these results and point out the genotypes of all the individuals describeed in this problem.

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  • Category:- Biology
  • Reference No.:- M99473

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