Q5 of 32 Page 201

To analyse the genotype of an organism, it is made to:

• The method used for the determination of the genotype of an organism is called test cross.


• In this type of cross, organism with unknown genotype is crossed with the recessive trait parents.


• If the all the progenies obtained are of same type then it is said that the organism with unknown genotype is homozygous.


• It is concluded that the genotype of unknown organism is heterozygous, if 50-50% result is obtained.

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