You are studying two new traits that control tomato color (red v. albino) and shape (round...

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Biology

You are studying two new traits that control tomato color (redv. albino) and shape (round v. long). You cross a red and roundtomato plant with one displaying albino and long. The resulting F1are all red and round. The F2 have the following phenotypes (8points)
834 round, red
250 round, albino
272 long, red
80Â Â Â long, albino
Which of these characteristics are dominant?
What are the most likely genotypes of the F2?
What is the mode of inheritance? (Use words like, autosomal,sex-linked, dominant, epistatic, incomplete dominant, etc.)
d. Test your hypothesis using the Chi-square statistic.

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4.4 Ratings (764 Votes)

AnsaRed colour and round shape are dominant traitAnsbself cross btw RrSsWhere R for red r for albino and S for round shape and s forlong shapePhenotype ratio of f2 From cross isround red round albino long red long albino9 3 3 1Ansc autosomal dominant type of inheritance as phenptypic ratioof f2 is 9331AnsdThe trait for red colourR is dominant over alinios r andRound shape S is dominant to long sA dihybrid cross between two heterozygous pea plants isperformed RrSs xRrSsThe following See Answer

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