KVPY SX SB Exam 20141 Question Paper

Question : 112 of 120

Marks: +1, -0

A flower with Tt genotype is cross-pollinated by TT pollens. What will the genotypes of the resulting endosperm and embryo, respectively, be?

Solution:

Tt × TT (Pollen means male plant)
Endosperm →

\{2 \polarnucle\}↙{\female}

(should be same) + 1 male nuclei

\So,\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;\ \TTT

Embryo →

{\Egg \cell}↙{\female}

+ 1 male nuclei
So, either TT or Tt

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