1.

How to determine whether an organism is homozygous or heterozygous by its phenotype?

Answer»

by performinga test cross (Cross the unknown individual with a homozygous recessive). A test cross provides the greatest chance of different offspring (if the individual in question is heterozygous then the outcome with be 50:50 (1:1 ratio) of dominant to recessive phenotypes.

how to get the homozygous at first for this experiment?



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