In tomatoes, regular leaves (L) are multilobed and serrated and potato leaves (l) are broad, smooth, and single (Image 1). Red fruit (F) is dominant to yellow fruit (f). A cross is carried out between two pure lines of tomato plants, one having regular leaves and red fruit and the other having potato leaves and yellow fruit. The F1 generation all have regular leaves and red fruit. The F1 individuals are then crossed with one another.  The information below represents two sets of data collected from the above cross. Phenotypes Data Set 1 Data Set 2 Regular Red 26 846 Regular Yellow 15 273 Potato Red 6 287 Potato Yellow 12 94 Total 59 1 500

Human Biology (MindTap Course List)
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ISBN:9781305112100
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Chapter20: Chromosomes And Human Genetics
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Problem 7CT: The following pedigree shows the pattern of inheritance of red-green color blindness in a family....
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In tomatoes, regular leaves (L) are multilobed and serrated and potato leaves (l) are broad, smooth, and single (Image 1). Red fruit (F) is dominant to yellow fruit (f).

A cross is carried out between two pure lines of tomato plants, one having regular leaves and red fruit and the other having potato leaves and yellow fruit. The F1 generation all have regular leaves and red fruit. The F1 individuals are then crossed with one another.

 The information below represents two sets of data collected from the above cross.

Phenotypes Data Set 1 Data Set 2
Regular Red
26 846
Regular Yellow
15 273
Potato Red
6 287
Potato Yellow
12 94
Total
59 1 500
  1. Data set 1 is a from a small sample size and data set 2 is from a large sample size. Compare each data set to the expected probabilities. Explain any differences that you see in how different the observed results are from the expected results between the two data sets. 

  2. Compare the expected probabilities of each phenotypic class to the observed probabilities for data set 2 (large sample size) to determine if the genes for leaf shape and fruit colour assort independently. 
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