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Question : a] Study the following cross and showing self pollination in FI, fill in the blank and answer the question that follows: [NCERT Exemplar] {:("Parents:" ,R RYY , xx , rryy),(, "Round, yellow", ,"wrinkled, green"),(Fl, Rr Yy , xx , ?),(,"Round, yellow",,):} b] What are the combinations of character in the F_2 progeny? What are their ratios?

Answer»

Solution :a] RrYy (ROUND, yellow]
b] i] Round yellow - 9 ii] Round green - 3
III] Wrinkled yellow - 3 iv] Wrinkled green - 1
Round yellow, round green, wrinkled yellow, wrinkled green in the ratio of 9:3:3:1.


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