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Question

Study the given data and answer the questions following the data:
Parental plants crossF1 First GenerationF2 Offsprings of selffertilised and seedsoffspringspollination of F1collectedMale parents always330 seeds sown andOut of 44 seeds 33 seedsbare red flowerss.observed.gave plants with redFemale parent alwaysAll 330 gave redflowers and 11 seedshad white flowers.flowers.gave plants with whiteflowers.
i. What is the term for this type of cross?
ii. What does the data of the column marked F1 indicate?
iii. Express the gene type of the (a) parents (b) F1 progeny and (c) F2 progeny

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Solution

i. Monohybrid cross
ii. Red color of flower dominant over white flower
iii. a. Parents - (RR) and (rr)
b. F1 progeny - Rr
c. F2 progeny - RR, Rr and rr

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