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a] Study the following cross and showing...

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? 

Text Solution

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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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